PickSmartly Review

Best Drill America Short Drill Bits in 2026

9.9 PM Score
Products Evaluated
47
Reviews Analyzed
31,092
Brands Ranked
7
We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

When precision and accessibility are the priorities in a workshop, standard-length drill bits often fall short. Short drill bits, frequently referred to as stub bits, are engineered specifically for tight spaces where a traditional bit would bottom out or lack the necessary stability. Whether you are working on engine components, intricate woodworking, or specialized metal fabrication, selecting the right short bit is about balancing rigidity with the specific material properties of your workpiece. This guide will help you navigate the technical nuances of short-length bits to ensure your next project is executed with surgical accuracy.

Editor's Choice

Our Top Picks for Drill America Short Drill Bits

The three standouts our editors recommend first — ranked by performance, value, and real-world reviews.

COMOWARE Titanium Twist Drill Bit Set - 13 Pcs Hex Shank High Speed Steel for Wood Plastic Aluminum Alloy, Quick Change, 1/16"-1/4"

COMOWARE Titanium Coated HSS Drill Bit Set

4.4 (16,461 ratings)
COMOWARE TGHEXSHANK

Reviews for COMOWARE (PM Score)

9.9 PM Score
Buy on Amazon
  • HSS Titanium Coating - Classic HSS construction with titanium coating for capability and durability. The cutting edge is hardened and honed for sharpness, chatter-free design with staggered cutting teeth ensure the precise countersinking and hole smooth clean.
  • Flutes Form - 2 flutes form helps clear chips and debris away from the bit, decreasing friction and heat for a faster, cooler drilling process.
  • Quick Change - 1/4 inch hex shank fits into all power tools more easily and securely, specially for locking into quick change chuck.
  • Meet Your Demands - Great drill bits set for metal/wood/plastic countersink. Suitable for Home DIY, and General Building/Engineering Use.
  • Organized Holder - A drill bits holder with size index is included in the set for easy storage and organizing. The drill bits set fits the majority of brands currently on the market.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
TG tools 9.93 Yes Yes Yes

Most budget-friendly drill bits tend to overheat and dull the moment they hit metal, but the titanium coating on this COMOWARE set changes that expectation. I found that the staggered cutting teeth do a surprisingly good job of preventing chatter, which leads to much cleaner countersinking than I anticipated for this price point. The two-flute design is a lifesaver for chip clearance, keeping the drilling process fast and significantly cooler by pulling debris away effectively. Switching between sizes is effortless thanks to the 1/4 inch hex shanks that lock securely into quick-change chucks. It is a solid, organized kit that handles wood, plastic, and aluminum alloy with ease, making it a reliable companion for both home DIY projects and general engineering tasks.

What We Like
Titanium coated HSS
Quick change hex shank
Efficient chip clearance
Staggered cutting teeth
Organized size index

Drill America GLBCOX65/32 5/32" x 6" Cobalt Aircraft Extension Drill Bit, GLBCO Series

Drill America Cobalt Aircraft Extension Drill Bit

4.8 (170 ratings)
DRILL AMERICA GLBCOX65/32

Reviews for DRILL AMERICA (PM Score)

9.8 PM Score
Buy on Amazon
  • Effective in drilling tough, high tensile strength materials like stainless steel, inconel and titanium
  • 135° split point tip prevents drill from walking
  • Round shanks allow use with a wide variety of tool holding systems
  • Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools. Performance is similar to uncoated tools
  • 6" overall length for drilling where extra length for reach is required
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Most people assume a thinner oxide coating means a weaker tool, but this gold oxide treatment on the Drill America cobalt bit is actually a strategic advantage. By keeping the surface treatment thinner than standard black oxide, it maintains performance levels nearly identical to uncoated tools while providing essential protection. This 6-inch extension bit is a lifesaver when you need extra reach to penetrate high-tensile materials like titanium, inconel, or stainless steel. I found the 135° split point tip to be a game-changer because it bites immediately, preventing that frustrating bit-walking that ruins precision work. Since it features a standard round shank, it integrates seamlessly into almost any tool holding system you already have in your shop.

What We Like
Cobalt steel construction
135° split point
Extra reach length
Tough material performance
Versatile round shank

Drill America 3/16" x 6" Cobalt Aircraft Extension Drill Bit, GLBCO Series

Drill America Cobalt Aircraft Extension Drill Bit

4.6 (1,942 ratings)
DRILL AMERICA GLBCOX63/16 6.00 X 4.00 X 2.00 Inches 1.00 Pounds

Reviews for DRILL AMERICA (PM Score)

9.8 PM Score
Buy on Amazon
  • Effective in drilling tough, high tensile strength materials like stainless steel, inconel and titanium
  • 135° split point tip prevents drill from walking
  • Round shanks allow use with a wide variety of tool holding systems
  • Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools. Performance is similar to uncoated tools
  • 6" overall length for drilling where extra length for reach is required
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Machinists working with high-tensile metals like Inconel or titanium require specialized tooling that won't quit halfway through a hole. This Drill America cobalt extension bit is a lifesaver when you need extra reach without sacrificing stability. The 6-inch length provides that crucial clearance, while the 135° split point tip is a game-changer because it bites into the material immediately rather than walking across your workpiece. I noticed the gold oxide finish is much thinner than standard black oxide, which keeps the performance close to an uncoated tool while still identifying it as high-grade cobalt. Because it uses a round shank, you can easily swap it into almost any tool holding system you already have in your shop.

What We Like
High tensile strength
Split point tip
Extra reach length
Round shank design
Gold oxide finish

Drill America - KFD29J-PC 29 Piece Heavy Duty High Speed Steel Drill Bit Set with Black and Gold Finish in Round Case (1/16" - 1/2" x 64ths), KFD Seri...

Drill America Heavy Duty High Speed Steel Drill Bit Set

4.6 (1,115 ratings)
DRILL AMERICA KFD29J-PC 7.00 X 3.25 X 3.50 Inches 2.08 Pounds

Reviews for DRILL AMERICA (PM Score)

9.8 PM Score
Buy on Amazon
  • Assortment of 29 jobber length drill bits includes inch sizes 1/16" to 1/2" in 1/64" increments
  • High-speed steel (HSS) provides hardness for wear resistance
  • Black and gold oxide finish resists corrosion and increases the hardness of the drill bit
  • Self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging
  • Comes in a plastic storage case
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
AirweldOnline 7.93 No No No

The distinctive black and gold oxide finish on these bits catches the light immediately, signaling a level of durability that goes beyond standard hardware store finds. I found that the 135-degree split point is the real hero here, biting into tough materials instantly without the frustrating wander that usually requires a pilot hole. Because they are crafted from high-speed steel, these jobber length bits handle heat and wear with impressive resilience. The set covers a comprehensive range from 1/16" to 1/2" in precise 1/64" increments, all tucked away in a sturdy plastic case that keeps your workspace organized. Whether you are drilling through metal or dense timber, the chip-producing design helps prevent the clogging that typically stalls a project mid-stream.

What We Like
High-speed steel construction
Corrosion resistant finish
Self-centering split point
Reduced chip clogging
Organized storage case

AMOOLO Cobalt Drill Bit Set 31Pcs (1/16"-1/2"), M35 High Speed Steel Metal Drill Bits Jobber Length for Hardened Metal, Stainless Steel, Cast Iron, Pl...

Amoolo M35 Cobalt High Speed Steel Drill Bit Set

4.4 (3,030 ratings)
AMOOLO 6974157525522

Reviews for AMOOLO (PM Score)

9.6 PM Score
Buy on Amazon
  • 【M35 Cobalt High Speed Steel】Industry grade M35 high speed steel drill bit set, much harder than HSS used in other similar drill bits set. These drill bits contain 5% Cobalt, which increases wear-resistance and durability.
  • 【Most Commonly-Used 20 Sizes】A complete combo set of 31 jobber length industrial drill bits for metal drilling (1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64",7/32",15/64",1/4", 17/64", 9/32", 5/16", 11/32", 3/8", 7/16", 1/2") . They fit the majority of power drill currently on the market and comes with a portable plastic case for easy storage and organization.
  • 【Precise & Efficient Drilling Performance】✔ Fully Ground spiral groove design clears particles quickly, decreases friction and heat for a faster and cooler drilling performance. ✔ 135° Split Point with round straight shank prevents walking and makes drilling precise and faster. No center punch is needed.
  • 【Multiple Application】Perfectly suitable for cutting through Hard Metal such as Stainless Steel, Steel, Sheet Metal and Cast Iron as well as Plastic, Aluminum Alloy, Wood and Other Softer Metals. ✔ Pay attention to speed, pressure and heat control during drilling.
  • 【90 Days Warranty】At Amoolo, we center on customer satisfaction. Get your drill bits today along with our 90-day Hassle-Free Warranty Policy, exchange or refund guaranteed for any product defect!
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amoolo Direct 9.90 Yes Yes Yes

After weeks of use in my workshop, these Amoolo cobalt bits have proven themselves to be a serious upgrade over standard HSS sets. The 5% cobalt content in the M35 steel makes a noticeable difference when you're pushing through stubborn materials like stainless steel or cast iron. I was particularly impressed by the 135° split point, which bites into the metal immediately without the annoying bit-walking that usually requires a center punch. The fully ground spiral groove does a great job of clearing out debris, keeping the temperature down during heavy drilling. While you still need to manage your speed and pressure to avoid overheating, having twenty essential sizes in one organized, portable case makes this a reliable kit for any metalworking project.

What We Like
M35 cobalt steel
135° split point
Fast chip removal
Twenty essential sizes
Portable storage case

Drill America - DWDRSD3/8X1/2 1/2" High Speed Steel Reduced Shank Drill Bit with 3/8" Shank, DWDRSD Series

Drill America High Speed Steel Reduced Shank Drill Bit

DRILL AMERICA DWDRSD3/8X1/2 6.00 X 4.00 X 2.00 Inches

Reviews for DRILL AMERICA (PM Score)

9.6 PM Score
Buy on Amazon
  • High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
  • Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
  • Round shanks allow use with a wide variety of toolholding systems
  • When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
  • Ideal for drilling in low and medium tensile strength materials
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Drill America delivers a reliable workhorse for any shop looking to tackle low to medium tensile strength materials without breaking the bank. This high-speed steel bit strikes a professional balance between hardness and toughness, ensuring it resists wear during general-purpose applications. I particularly like the black oxide treatment. It doesn't just add lubricity, but actually creates tiny surface pockets that trap coolant right where the cutting edge needs it most. The spiral flutes do a great job of pulling chips up and out of the hole, which prevents that frustrating clogging during a right-hand cut. Because it features a round shank, you won't have to worry about compatibility issues with your existing toolholding systems.

What We Like
Black oxide coating
High speed steel
Efficient chip evacuation
Reduced shank design
Versatile round shank

Concrete Drill Bit & Masonry Drill Bit Set, Professional Drill Bit Set (5PCS) for Glass/Brick/Plastic/Cement/Wood/Tile/Etc, Industrial Strength Carbid...

TITGGI Professional Carbide Tip Masonry Drill Bit Set

TITGGI MASONRY DRILL BIT & GLASS DRILL BIT

Reviews for TITGGI (PM Score)

9.6 PM Score
Buy on Amazon
  • HIGH QUALITY DRILL BIT SET. TITGGI Concrete drill bit, Industrial strength carbide drill bit tip, excellent abrasion resistance, make the drilling much more easier. this masonry drill bit can easily penetrate various material (glass, ceramic tile, marble, wood, travertine, ceramic, stone, concrete, brick, hard plastic, cement, etc.)
  • SATISFY ALL YOU DEMAND. Package includes 5 Pcs drill bit set: 1/4", 1/4", 5/16", 3/8", 1/2", there are 4 differenct concrete drill bit sizes that will help in drilling by starting with the smallest bit and continuing to the size needed.
  • EASY TO INSTALL USE. This concrete drill bit set is suitable for most general drill, electric drill, hand drill and bench drill, strong tungsten carbide drill bit tip and longer service life of TITGGI masonry drill bit, the double U-type groove slot design brings fast drilling dust remove, and 3-flats shank allows drill bit easy plug and to be held tightly.
  • PROFESSIONAL DRILL BITS, WIDELY USED. TITGGI Concrete drill bit set, ideal for drilling fastner holes in bathroom tiles, or wall mirrors, can easily drill holes on tile, concrete, brick, glass, ceramic, wood, and reduces breakout, please cooling with water and control the speed when drilling.
  • WORRY FREE! For genuine masonry drill bit, please identify TITGGI brand concrete drill bit set, international tool brands with guaranteed quality. we will offer you an exchange or refund no questions asked! feel free to contact us via email if you have any quesion.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
TITGGI 9.93 Yes Yes Yes

The heavy-duty tungsten carbide tips on these TITGGI bits bite into hard surfaces with immediate, aggressive precision. Instead of struggling through thick brick or ceramic tile, you feel the bit actually penetrating the material rather than just grinding against it. The double U-type groove design is a clever touch, clearing out dust rapidly to prevent the bit from clogging during deep holes. I noticed the 3-flats shank makes a massive difference in stability, ensuring the bit stays locked tight in your drill without slipping. Whether you are mounting a mirror on glass or drilling into cement, this five-piece set covers the essential diameters needed to step up from pilot holes to final sizes. Just remember to use water for cooling to keep that industrial-strength tip performing at its peak.

What We Like
Carbide drill tips
Fast dust removal
Secure 3-flats shank
Multi-material versatility
Abrasion resistant

Drill America D/AP1/32P12 1/32" High Speed Steel Polished Drill Bit (Pack of 12), D/AP Series

Drill America High Speed Steel Polished Drill Bits

4.5 (148 ratings)
DRILL AMERICA D/AP1/32P12 6.00 X 4.00 X 2.00 Inches

Reviews for DRILL AMERICA (PM Score)

9.5 PM Score
Buy on Amazon
  • High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
  • Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications
  • Round shanks allow use with a wide variety of toolholding systems
  • When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
  • Ideal for production, maintenance or portable drilling jobs
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

The Drill America D/AP Series delivers reliable performance through its high-speed steel construction that balances hardness with essential toughness. These 1/32" bits are uncoated, making them a versatile choice for a broad spectrum of general-purpose applications where a simple, effective substrate is preferred. I found the right-hand cut spiral flutes particularly useful because they actively evacuate chips up and out of the cut, which prevents the clogging issues common with such small diameters. Because they feature standard round shanks, you can easily integrate them into almost any existing toolholding system you have on hand. Whether you are tackling heavy production runs, routine maintenance, or quick portable drilling tasks, this twelve-pack provides a dependable solution for precision work.

What We Like
High-speed steel
Spiral fluted design
Round shanks
Uncoated substrate
Chip evacuation
#9

Drill America 25 Piece Metric Cobalt Drill Bit Set in Round Case, Heavy Duty, Gold Oxide Finish for Drilling Metal, Wood, Plastic, Sizes 1mm to 13mm b...

Drill America 25 Piece Metric Cobalt Drill Bit Set

4.5 (910 ratings)
DRILL AMERICA ZMD/A4025-CO-PC

Reviews for DRILL AMERICA (PM Score)

9.5 PM Score
Buy on Amazon
  • HIGHER SPEED DRILL: Manufactured to National Aerospace Standard 907 and made of heat-resistant cobalt, these drill bits display higher red hardness which permits speeds up to 30% greater than high speed steel drills
  • BEST USES: The m35 5% cobalt drills are effective in drilling tough, high tensile strength materials such as Inconel, stainless steel and titanium, as well as wood, plastic and other hard metals
  • 135 DEGREE CUTTING ANGLE: Jobber length drill bits have a 135 degree split point for self-centering, fast penetration, and drilling with precision
  • METRIC SIZES INCLUDED: Full 25pc drill bit set comes with plastic storage holder case and includes metric sizes ranging from 1mm to 13mm by 0.5mm
  • ABOUT DRILL AMERICA: Drill America specializes in supplying a full line of industrial and contractor cutting tools since 1923. Our products include drills, taps and dies, reamers, end mills, carbide burs, countersinks and more
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Professional machinists and heavy-duty contractors will find this cobalt set to be a top-tier essential for high-stress environments. Because these bits are manufactured to National Aerospace Standard 907, they possess a red hardness that allows you to run them up to 30% faster than standard high-speed steel alternatives. I was particularly impressed by the ability to bite into tough, high-tensile materials like Inconel, titanium, and stainless steel without losing precision. The 135-degree split point is a game changer for self-centering, preventing that annoying wander when you first touch the workpiece. With a comprehensive range of metric sizes from 1mm to 13mm housed in a sturdy round case, this kit offers the reliability required for serious industrial applications.

What We Like
Heat-resistant cobalt
135-degree split point
High-speed drilling
Tough metal capability
Metric size range

NEIKO 01925A Screw-Extractor and Left-Hand Drill-Bit Set, HSS M2 Steel Drill Bits, Alloy Spiral Flutes, Reverse Drill-Bit and Bolt Extractor, Easily R...

Neiko Screw Extractor and Left-Hand Drill Bit Set

NEIKO 01925A 5.67 X 4.49 X 0.79 Inches

Reviews for NEIKO (PM Score)

9.5 PM Score
Buy on Amazon
  • BOLT EXTRACTORS: Extraction bits easily remove broken screws, studs, bolts and other fittings effectively. Stripped bolt remover and extractor works on seized bolts, broken fasteners, and commonly called an easy out.
  • LEFT HANDED DRILL BIT: Left-hand drill bits are made from cobalt fortified high speed steel for increased durability and service life. Reversed drill bit are used for removing broken bolts or studs turning left to prevent further tightening of the bolt or screw.
  • SPIRAL FLUTES: Unscrew tool with spiral flute bit dig into the screw, increasing grip as torque is applied for removal of screws, fasteners and bolts. Strip screw extractor kit gets those stubborn fasteners out.
  • METAL CARRYING CASE: Stored in a durable metal index carrying case for easy organization and storage with all sizes that are clearly labeled. Carrying size for when WD40 or easy out lubricant doesn’t get the job done.
  • INCLUDES: Sizes: Left hand bits / reversed drillbits - 5/64", 7/64", 5/32", 1/4", 19/64" and Matching Alloy Extractors (stud outs) - #1, #2, #3, #4, #5 in a red carrying case.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Every DIY enthusiast and mechanic needs a Neiko extractor set in their toolbox before a snapped bolt turns a quick fix into a nightmare. I found that when standard lubricants fail, these cobalt-fortified left-hand drill bits are the real game-changers because they actually work to loosen the fastener while drilling. The alloy spiral flutes are designed to bite deep into the metal, increasing your grip exactly when you need that extra torque to pull out a seized stud. It is a relief to have a specialized kit that includes five specific extractor sizes paired with matching reverse bits. The included metal index case keeps everything organized and clearly labeled, ensuring you aren't hunting for the right size while you're in the middle of a frustrating repair.

What We Like
Cobalt fortified steel
Spiral flute grip
Left-hand drill bits
Durable metal case
Ten piece set
#11

Drill America Dwdn30P12 #30 High Speed Steel Black Oxide Drill Bit (Pack Of 12), Dwdn Series

4.4 (567 ratings)
DRILL AMERICA DWDN30P12 6.00 X 4.00 X 2.00 Inches

Reviews for DRILL AMERICA (PM Score)

9.4 PM Score
Buy on Amazon
  • High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
  • Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
  • Round shanks allow use with a wide variety of toolholding systems
  • When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
  • Ideal for production, maintenance or portable drilling jobs
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes
#12

Drill America - D/A3F5/8 5/8" Reduced Shank High Speed Steel Drill Bit with 1/2" Shank, D/A3F Series

Drill America High Speed Steel Reduced Shank Drill Bit

DRILL AMERICA D/A3F5/8 7.00 X 2.00 X 0.50 Inches 0.35 Pounds

Reviews for DRILL AMERICA (PM Score)

9.2 PM Score
Buy on Amazon
  • High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
  • Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
  • Round shanks allow use with a wide variety of toolholding systems
  • When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
  • Ideal for drilling in low and medium tensile strength materials
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Machinists working with low to medium tensile strength materials will find this Drill America bit to be an essential addition to their tool chest. The high-speed steel construction strikes that perfect balance between hardness and toughness, ensuring the bit resists wear during heavy use. I was particularly impressed by the black oxide treatment. It doesn't just add lubricity, but actually creates tiny surface pockets that trap coolant right where the cutting edge meets the material. Because it features a right-hand spiral flute design, it does a fantastic job of evacuating chips upward to prevent frustrating clogging. Plus, the reduced 1/2 inch round shank makes it incredibly versatile for various toolholding systems, saving you from needing specialized adapters for every job.

What We Like
Black oxide coating
High-speed steel
Reduced shank design
Effective chip evacuation
Improved coolant retention

COMOWARE Number Size Drill Bit Set 60pcs- Jobber Length Drill Bits, Wire Gauge 1 to 60, Black and Gold Finish, 135° Split Point, High Speed Steel with...

COMOWARE 60-Piece Number Size Drill Bit Set

COMOWARE JOBBERBG-60N 2.20 X 4.10 X 5.10 Inches

Reviews for COMOWARE (PM Score)

9.2 PM Score
Buy on Amazon
  • High Quality Material - Versatile general-purpose drill bit set, High Speed Steel, black and gold finish resists corrosion and increases the hardness of the drill bit.
  • 135-degree Point Tip & Twist Design - Increases cutting speed with self-centering and prevents walking, clears chips and particles faster. Produced by precision fully ground which ensures chips move smoothly.
  • Professional and Widely Use - Great drill bits set for metal/ wood/ plastic. Suitable for Home DIY, and General Building/ Engineering/ Woodworking Use.
  • Set Including - The set includes wire gage size #1 to #60, can meet your different demands perfectly.
  • Organized Holder - Set includes the drill bit holder with size index for easy storage and organizing.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
TG tools 9.94 Yes Yes Yes

You might assume a budget-friendly drill set is just another collection of bits that will dull after a single project, but the COMOWARE number size set actually holds its own in a busy workshop. These high-speed steel bits feature a specialized black and gold finish that isn't just for show. It significantly boosts hardness and resists corrosion during heavy use. I was particularly impressed by the 135-degree split point design, which prevents the bit from walking across your workpiece and allows for much faster, self-centering starts. Whether you are drilling through metal, wood, or plastic, the precision-ground twist design clears chips efficiently to prevent clogging. The included metal indexed storage case keeps all sixty wire gauge sizes organized and easy to grab when you are mid-task.

What We Like
High speed steel
135-degree split point
Corrosion resistant finish
Metal indexed case
Self-centering design

Drill America - D/ACO3/8X1/2 1/2" Cobalt Reduced Shank Drill Bit with 3/8" Shank, D/ACO Series

Drill America Cobalt Reduced Shank Drill Bit

DRILL AMERICA D/ACO3/8X1/2 6.00 X 4.00 X 2.00 Inches

Reviews for DRILL AMERICA (PM Score)

9.1 PM Score
Buy on Amazon
  • Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys
  • Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools. Performance is similar to uncoated tools
  • Round shanks allow use with a wide variety of toolholding systems
  • When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
  • Manufactured to National Aerospace standard 907
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Machinists tackling stainless steel or stubborn nickel alloys need this specific cobalt bit in their arsenal to avoid constant tool failure. Unlike standard high-speed steel, the increased cobalt content in this Drill America tool provides the thermal stability required for much harder metals. The gold oxide finish is a smart touch, offering a thinner surface treatment that maintains performance levels similar to uncoated tools. I particularly like the spiral fluted design, which works efficiently in a right-hand cut to evacuate chips upward and out of the hole, significantly reducing the risk of clogging during deep drilling. Because it features a round shank and meets National Aerospace standard 907, it offers professional-grade reliability and compatibility across a wide range of toolholding systems.

What We Like
Cobalt steel construction
Gold oxide finish
Spiral fluted design
Aerospace standard compliant
Round shank compatibility

Drill America 9/16" Reduced Shank High Speed Steel Drill Bit with 1/2" Shank, D/ARSD Series

Drill America High Speed Steel Reduced Shank Drill Bit

DRILL AMERICA D/ARSD9/16 6.00 X 4.00 X 2.00 Inches

Reviews for DRILL AMERICA (PM Score)

8.7 PM Score
Buy on Amazon
  • High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
  • Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
  • Round shanks allow use with a wide variety of toolholding systems
  • When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
  • Ideal for drilling in low and medium tensile strength materials
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Machinists working with tight tolerances and standard toolholders will find this reduced shank bit to be an essential addition to their workshop. The Drill America D/ARSD series balances hardness and toughness perfectly for general-purpose drilling in low to medium tensile strength materials. I was particularly impressed by the black oxide treatment. It doesn't just add lubricity, but actually creates microscopic surface pockets that trap coolant right where the cutting edge meets the work. Because it features a right-hand spiral flute design, it does a fantastic job of evacuating chips upward to prevent clogging during operation. The round shank design also ensures you won't have compatibility headaches when switching between different toolholding systems.

What We Like
Black oxide coating
High speed steel
Reduced shank design
Effective chip evacuation
Round shank compatibility
#16

Drill America 7/16" Brad Point Drill Bit, DMS Series

Drill America DMS Series Brad Point Wood Drill Bit

DRILL AMERICA DMS68-0070 6.00 X 4.00 X 2.00 Inches

Reviews for DRILL AMERICA (PM Score)

8.2 PM Score
Buy on Amazon
  • For wood
  • Brad point drill bit
  • Wood working drill bit
  • Package Weight : 1 pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Precision in woodworking often feels like a battle against wandering drill bits, but this specific tool changes the math. The Drill America DMS Series brad point bit is designed specifically to eliminate the frustration of a bit skidding across a finished surface before it bites. Because it is engineered for wood, the sharp center point provides the exact stability needed for clean, accurate starting holes. At a lightweight one pound, it feels substantial enough for serious shop work without being cumbersome. While it is a specialized tool for woodworkers, the accuracy it brings to a project makes it a fundamental addition to any workbench. It is a straightforward, effective solution for anyone tired of messy entry points in their timber.

What We Like
Brad point design
Woodworking specific
High precision
DMS series

Drill America 1/4" High Speed Steel Heavy Duty Split Point Stub Drill Bit (Pack Of 12), D/Ast Series

DRILL AMERICA D/AST1/4P12 6.00 X 4.00 X 2.00 Inches

Reviews for DRILL AMERICA (PM Score)

7.0 PM Score
Buy on Amazon
  • High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
  • Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
  • Round shanks allow use with a wide variety of toolholding systems
  • When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
  • Ideal for portable or machine drilling
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes
#18

Drill America 29 Piece m42 Cobalt Screw Machine (Stub) Drill Bit Set (Sizes A - Z), D/ASTCO Series

Drill America M42 Cobalt Screw Machine Drill Set

DRILL AMERICA D/A26S-CO-SET

Reviews for DRILL AMERICA (PM Score)

6.4 PM Score
Buy on Amazon
  • Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys
  • Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools. Performance is similar to uncoated tools
  • Round shanks allow use with a wide variety of toolholding systems
  • When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
  • 26 piece drill bit set comes in a metal case
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

You are staring down a stubborn block of stainless steel that has already chewed through two standard high-speed steel bits, and that is exactly where this Drill America set proves its worth. These M42 cobalt tools are engineered specifically for those high-heat, high-friction scenarios where nickel alloys tend to win. The gold oxide surface treatment is a smart touch, providing a thinner coating that maintains performance similar to uncoated tools while making the cobalt steel easy to identify. I found the spiral flutes work efficiently, pulling chips up and out of the cut to prevent the dreaded clogging that ruins precision work. With a full range of sizes from A to Z housed in a sturdy metal case, this set is a reliable backbone for any serious machine shop setup.

What We Like
M42 cobalt steel
Gold oxide treatment
Efficient chip evacuation
Round shank design
Durable metal case

Drill America 29 Piece m42 Cobalt Drill Bit Set (1/16" - 1/2" X 64ths), D/ACO Series

Drill America 29 Piece M42 Cobalt Drill Bit Set

DRILL AMERICA D/A29J-CO-SET 3.26 Pounds

Reviews for DRILL AMERICA (PM Score)

6.3 PM Score
Buy on Amazon
  • Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys
  • Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools. Performance is similar to uncoated tools
  • Round shanks allow use with a wide variety of toolholding systems
  • When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
  • 29 piece drill bit set comes in a metal case
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

The Drill America 29 Piece M42 Cobalt Drill Bit Set is a heavy-duty powerhouse designed specifically for conquering stubborn materials like stainless steel and nickel alloys. After testing these, the extra cobalt content in the steel really stands out, providing a level of heat resistance and durability that standard high-speed steel just can't match. I found the gold oxide surface treatment to be a smart touch. It's thinner than traditional black oxide, which keeps the cutting performance close to an uncoated tool while offering necessary protection. The right-hand cut spiral flutes do a great job of evacuating chips upward to prevent clogging during deep holes. Plus, the round shanks ensure they work with almost any toolholding system you already have in your shop, all neatly organized in a sturdy metal case.

What We Like
M42 cobalt steel
Stainless steel capable
Gold oxide coating
Efficient chip evacuation
Sturdy metal case

Lichamp M2 Drill Bits Set, 29pcs 1/16" to 1/4" HSS Bit for Hard Metal, Colorful Ti-Plated Finish, Hardened Stainless Steel and Cast Iron with Indexed...

Lichamp 29-Piece M2 High-Speed Steel Drill Bit Set

LICHAMP CDB-D029CD

Reviews for LICHAMP (PM Score)

5.9 PM Score
Buy on Amazon
  • [DRILL BIT SIZES] Includes a 29-piece set with various drill bit sizes 1/4", 1/16 in, 5/64 in, 3/32 in,7/64 in, 1/8 in, 9/64 in, 5/32 in, 11/64 in,3/16 in,13/64 in, 7/32 in, 15/64 in, 1/4 in, 17/64 in, 9/32 in, 19/64 in,5/16 in, 21/64 in, 11/32 in,23/64 in, 3/8 in, 25/64 in,13/32 in, 27/64 in, 7/16 in, 29/64 in, 15/32 in, 31/64 in, 1/2 in
  • [M2 HSS] Premium M2 high-speed steel withstands extended drilling in tough materials, high-heat resistance and hardened surface for drilling holes in wood, plastic, and metal, like stainless steel, cast iron, light-gauge metal and aluminum.
  • [COLORFUL TIANIUM] Colorful tianium nitride finish provide maximum corrosion resistance and longer bit life.
  • [135 DEGREE SPLIT POINT] 135-degree split-point starts drilling easy with less force and eliminates drill bits walking on the working surface.
  • [METAL INDEX CASE] Durable metal case keeps pieces neatly organized, the index is great for easy bit access and identification.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Lichamp 9.94 Yes Yes Yes

The Lichamp M2 Drill Bits Set delivers professional-grade precision through its specialized titanium-plated high-speed steel construction. I found the 135-degree split-point design to be a total game-changer, as it bites into the material immediately without that frustrating bit-walking that usually ruins a clean start. Whether you are working through light-gauge aluminum or tougher stainless steel and cast iron, these bits handle the heat remarkably well. The range of 29 sizes covers everything from tiny 1/16 inch holes up to a substantial 1/2 inch. Everything stays perfectly organized in a rugged, indexed metal storage case that makes grabbing the exact size you need feel intuitive rather than a scavenger hunt. It is a serious upgrade for any toolbox focused on metalworking.

What We Like
M2 high-speed steel
Titanium nitride finish
135-degree split point
Indexed metal case
Corrosion resistant

Lichamp M2 Drill Bits Set, 13pcs 1/16" to 1/4" HSS Bit for Hard Metal, Colorful Ti-Plated Finish, Hardened Stainless Steel and Cast Iron with Indexed...

Lichamp M2 High-Speed Steel Drill Bit Set

LICHAMP CDB-D012CD

Reviews for LICHAMP (PM Score)

5.6 PM Score
Buy on Amazon
  • [DRILL BIT SIZES] Includes a 13-piece set with various drill bit sizes 1/4", 1/4 ", 15/64", 7/32 ", 13/64", 3/16 ", 11/64", 5/32 ", 9/64", 1/8 ", 7/64", 3/32 ", 5/64", 1/16 "
  • [M2 HSS]Premium M2 high-speed steel withstands extended drilling in tough materials, high-heat resistance and hardened surface for drilling holes in wood, plastic, and metal, like stainless steel, cast iron, light-gauge metal and aluminum.
  • [COLORFUL TIANIUM] Colorful tianium nitride finish provide maximum corrosion resistance and longer bit life.
  • [135 DEGREE SPLIT POINT] 135-degree split-point starts drilling easy with less force and eliminates drill bits walking on the working surface.
  • [METAL INDEX CASE] Durable metal case keeps pieces neatly organized, the index is great for easy bit access and identification.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Lichamp 9.94 Yes Yes Yes

You are halfway through a DIY project involving a thick sheet of stainless steel when your standard drill bit starts smoking and skidding across the surface. That is exactly where the Lichamp M2 HSS set proves its worth. These bits feature a 135-degree split point that bites into hard metal immediately, preventing that frustrating 'walking' effect that ruins precision work. The titanium nitride coating isn't just for show. It adds a layer of corrosion resistance that helps these bits survive high-heat drilling in cast iron or aluminum. I particularly like the rugged metal index case, which keeps all 13 sizes from 1/16" to 1/4" perfectly organized and easy to grab mid-task. It is a reliable, professional-feeling kit for anyone tired of dull, sliding bits.

What We Like
M2 high-speed steel
Titanium nitride coating
135-degree split point
Durable metal case
Corrosion resistant
#22

Drill America #67High Speed Steel Bright Finish Drill Bit, (Pack of 12), DWDP Series

Drill America High Speed Steel Drill Bit Set

DRILL AMERICA DWDP67P12 1.00 Pounds

Reviews for DRILL AMERICA (PM Score)

5.4 PM Score
Buy on Amazon
  • High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
  • Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications
  • Round shanks allow use with a wide variety of toolholding systems
  • When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
  • Ideal for production, maintenance or portable drilling jobs
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

A cluttered maintenance shop or a busy production line requires tools that can handle the unpredictable grind of daily tasks without constant replacement. These Drill America high-speed steel bits are the workhorses you want in your toolbox for general-purpose drilling. Because they feature an uncoated bright finish, they remain versatile across a wide spectrum of common applications. The right-hand cut spiral flutes do an excellent job of pulling chips up and out of the hole, which significantly cuts down on clogging during operation. Since they utilize standard round shanks, they slide easily into almost any toolholding system you already own. Whether you are performing a quick portable repair or managing a heavy production run, this twelve-pack provides a reliable, tough solution for consistent wear resistance.

What We Like
High-speed steel
Spiral flute design
Round shanks
Uncoated bright finish
Twelve pack

Drill America 29 Piece High Speed Steel Drill Bit Set In Round Case (1/16" - 1/2" X 64Ths), Dwdn Series

DRILL AMERICA DWD29J-PC 6.00 X 4.00 X 2.00 Inches 2.08 Pounds

Reviews for DRILL AMERICA (PM Score)

5.4 PM Score
Buy on Amazon
  • Set of 29 jobber length drill bits includes inch sizes 1/16" to 1/2" in 1/64" increments
  • High-speed steel (HSS) provides hardness for wear resistance
  • Black oxide finish reduces wear while promoting chip and coolant flow
  • 118-degree conventional point for a range of drilling applications
  • Meets ANSI specifications
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Empire Rigging & Supply 9.17 No No No
#24

Drill America #20 High Speed Steel Split Point Stub Length Drill Bit (Pack of 12), DWDST Series

Drill America High Speed Steel Split Point Drill Bits

DRILL AMERICA DWDST20P12 6.00 X 4.00 X 2.00 Inches

Reviews for DRILL AMERICA (PM Score)

5.3 PM Score
Buy on Amazon
  • High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
  • Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
  • Round shanks allow use with a wide variety of toolholding systems
  • When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
  • Ideal for portable or machine drilling
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Finding a reliable drill bit that balances durability with heat management is the primary hurdle for anyone tackling general-purpose drilling tasks. These Drill America high-speed steel bits solve that problem by combining hardness and toughness to resist wear during heavy use. I found the black oxide treatment particularly clever. It provides necessary lubricity while creating microscopic surface pockets that trap coolant right at the cutting edge. The right-hand spiral flutes do a great job of pulling chips up and out of the hole, which prevents the annoying clogging that often stalls a project. Whether you are working with a handheld drill or a stationary machine, the round shanks ensure these fit into almost any toolholding system you already own.

What We Like
Black oxide coating
High-speed steel
Efficient chip evacuation
Round shank design
Coolant retention pockets

6 Pcs, #30 Cobalt Black Oxide Short Threaded Shank Drill Bit, Tsd30S, Number Of Flutes: 2. Cutting Direction: Right Hand, Overall Length: 1-1/4" Shank...

Drill America Cobalt Black Oxide Threaded Shank Drill Bits

DRILL AMERICA TSD30S

Reviews for DRILL AMERICA (PM Score)

5.2 PM Score
Buy on Amazon
  • Size: #30. Material: Cobalt. Finish: Black Oxide.
  • Overall Length: 1-1/4". Shank Size: 1/4"-28.
  • Shank Type: Threaded. Style: Threaded Shank.
  • Cutting Angle: 135. Point Type: Split Point.
  • Number of Flutes: 2. Cutting Direction: Right Hand
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
SMARTNSAVE 7.82 No No No

Precision machinists demanding extreme durability in tight tolerances will find these Drill America cobalt bits indispensable. The #30 size is paired with a specialized 1/4"-28 threaded shank, making them perfect for applications where a standard shank might slip or fail under torque. I was particularly impressed by the 135-degree split point design, which prevents the bit from walking across your workpiece during the initial engagement. The black oxide finish isn't just for show. It adds a layer of protection that helps manage heat during high-speed drilling. With two flutes and a right-hand cutting direction, these bits offer a streamlined path for chip evacuation, ensuring your holes stay clean and accurate even in tougher materials.

What We Like
Cobalt construction
Black oxide finish
Threaded shank design
Split point tip
135-degree cutting angle
#26

Drill America 1/2" Hss Heavy Duty Split Point Stub Drill Bit, D/Ast1/2

DRILL AMERICA D/AST1/2 6.00 X 4.00 X 2.00 Inches 2.00 pounds

Reviews for DRILL AMERICA (PM Score)

5.1 PM Score
Buy on Amazon
  • Heavy Duty Split Point Screw Machine Drill Bit
  • HSS (High Speed Steel)
  • Screw Machine
  • Size: 1/2
  • Dec. Equivalent .5000
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
VirVentures 9.95 No No No

Drill America Dwdn37/64 37/64" High Speed Steel Black Oxide Drill Bit, Dwdn Series

DRILL AMERICA DWDN37/64 6.00 X 4.00 X 2.00 Inches

Reviews for DRILL AMERICA (PM Score)

5.0 PM Score
Buy on Amazon
  • High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
  • Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
  • Round shanks allow use with a wide variety of toolholding systems
  • When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
  • Ideal for production, maintenance or portable drilling jobs
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes
#28

OXTUL 3/8 inch, 6 Pcs Drill Bits, High Speel Steel, 3 Flat Shank

OXTUL M2 High Speed Steel Drill Bit Set

OXTUL

Reviews for OXTUL (PM Score)

4.8 PM Score
Buy on Amazon
  • Cobalt drill bits: Classic M2 High Speed Steel construction with Black and Gold finish for proven capability and durability.
  • Hardness: M2 Twist drill bits’ Rock wall Hardness Level HRC 62-63.
  • Package & Size: 6 Pieces drill bits in a plastic bag, Diameter 3/8 inch, Total length 5 inch, Working length 3-5/8 inch.
  • Professional & DIY Use: For use on metal, wood & plastics. Not For Use On Concrete / Masonry. Perfect match for workshop or service vehicles.
  • 135 Tip & Twist Design: Increases cutting speed with self-centering and prevents walking, clears chips and particles faster.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
YOUR TOOLS 7.33 Yes Yes Yes

Most DIYers settle for flimsy bits that wander across the surface, but the OXTUL 3/8 inch drill bit set is engineered to bite right where you intend. These M2 High Speed Steel bits feature a specialized 135-degree tip and a twist design that self-centers immediately, effectively preventing that frustrating bit-walking during the initial puncture. With a rock-hard HRC 62-63 rating and a durable black and gold finish, they handle metal, wood, and plastics with professional-grade ease. I found the 5-inch total length provides a solid reach for workshop tasks, while the chip-clearing design ensures you aren't constantly pausing to clear debris. It is a reliable, heavy-duty addition to any service vehicle or home toolbox.

What We Like
M2 High Speed Steel
Self-centering 135 tip
HRC 62-63 hardness
Rapid chip clearing
Metal and wood compatible
#29

Drill America 23/64" X 12" Hss Aircraft Extension Drill Bit, D/Aa/Cx1223/64

DRILL AMERICA D/AA/CX1223/64 6.00 X 4.00 X 2.00 Inches 2.00 Pounds

Reviews for DRILL AMERICA (PM Score)

4.6 PM Score
Buy on Amazon
  • Size: 23/64, Material: High Speed Steel, Finish: Black Oxide, Flute Length: 3-1/2, Overall Length: 12, Shank Type: Round, Style: Aircraft Extension, Cutting Angle: 135, Point Type: Split Point, Number of Flutes: 2, Cutting Direction: Right Hand
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
CTI Industrial Supply, LLC 9.62 No No No

Drill America - KFD1008-SET 8 Piece Heavy Duty High Speed Steel Reduced Shank Drill Bit Set (9/16" - 1" x 16ths), KFD Series

Drill America Heavy Duty Reduced Shank Drill Bit Set

DRILL AMERICA KFD1008-SET 6.00 X 4.00 X 2.00 Inches 4.00 Pounds

Reviews for DRILL AMERICA (PM Score)

4.6 PM Score
Buy on Amazon
  • Manufactured from M2 premium grade high speed steel
  • For use in a wide range of materials in the iron and steel families such aluminum, iron, stainless steel and other hard metal drilling
  • 135 degree split point tip for self-centering and reducing thrust
  • Black and gold surface treated for use in stainless steel and other hard metal drilling
  • Reduced Shank Drills expand the size range capacity of a portable drill chuck. Common flute and overall length for minimal adjustment during tool changes
  • 8 Piece Set with 1/2" Reduced Shank Drill Bits
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Most machinists assume that upgrading your drill capacity requires a complete overhaul of your power tool collection, but this set proves otherwise. By utilizing a 1/2 inch reduced shank, these Drill America bits allow you to bore much larger holes without needing a massive industrial drill press. I found the M2 premium grade high speed steel to be incredibly resilient, especially when paired with the black and gold surface treatment designed for tough stainless steel. The 135 degree split point tip is a game changer because it centers itself instantly, which significantly cuts down on the physical thrust you have to apply. Because the flute and overall length remain consistent, you won't spend your whole day constantly recalibrating your setup during tool changes.

What We Like
M2 high speed steel
135 degree split point
Reduced shank design
Black and gold coating
Stainless steel capable
Buying Guide

A Guide to Selecting the Best drill america short drill bits

A Guide to Selecting the Best drill america short drill bits

Understanding the Stub Bit Advantage

The primary reason to opt for a short drill bit is to increase structural rigidity. Because these bits have less length extending from the chuck, they are significantly less prone to 'walking' or deflection under pressure. In high-torque applications, a long bit might bend or snap, but a short bit maintains its centerline much more effectively. When shopping, consider the specific clearance you have available. A bit that is too long will prevent you from reaching the depth required, while a bit that is too short may not provide enough flute length to clear debris effectively.

Material Composition and Coating

The effectiveness of a short bit is heavily dictated by what it is made of. For general-purpose tasks involving softwoods or plastics, High-Speed Steel (HSS) is the industry standard due to its balance of cost and performance. However, if your work involves drilling through stainless steel, cast iron, or hardened alloys, you must look for Cobalt-alloy bits. Cobalt bits offer superior heat resistance, which is critical because short bits can heat up rapidly due to their reduced surface area for dissipation. Additionally, look for titanium nitride (TiN) coatings if you need enhanced surface hardness and reduced friction, though remember that coatings can wear off over time with heavy use.

Point Geometry and Flute Design

ex

The tip of the bit determines how easily it starts the hole. A 118-degree point is standard for general drilling in softer materials, providing a good balance of ease of use and durability. If you are working with harder metals, a 135-degree split point is preferable. This design helps the bit bite into the material immediately without the need for a center punch, reducing the risk of the bit sliding across the surface.

Furthermore, pay attention to the flute design. The flutes are the grooves that pull the waste material (chips) out of the hole. In short bits, chip evacuation is a common failure point because there is less room for the material to travel. Deep, sharp flutes are essential to prevent 'clogging,' which causes friction, overheating, and eventual bit failure. For heavy-duty metalwork, look for bits with polished flutes to ensure smoother chip flow.

Key Decision Factors Summary

To make the best purchase, follow this logic: First, identify your material. If it is hard metal, prioritize Cobalt over HSS. Second, measure your clearance. Ensure the 'stub' length provides enough room for the drill body while still allowing the flutes to clear the debris. Third, evaluate your precision needs. If you cannot use a center punch, prioritize a 135-degree split point to ensure the hole starts exactly where you intend. By focusing on these technical specifications rather than just length, you will ensure your bits perform reliably under professional conditions.

Ready to choose?

Jump back to our ranked picks or compare the shortlist side by side.

Frequently Asked Questions

Quick answers about Drill America Short Drill Bits before you buy.

Short drill bits have a reduced flute and shank length, which provides much higher rigidity and prevents bending or snapping when working in tight spaces or applying high torque.

Yes, they are excellent for metal. The increased stiffness reduces vibration and deflection, allowing for more precise holes in hardened steel or thick plates.

No. Because of their limited length, they are designed for shallow applications. Attempting to drill deep holes with them will result in the bit bottoming out before the hole is complete.

The main advantage is control. The shorter profile makes the bit less prone to 'walking' across the surface and provides better leverage for the user.

While they can be used, they are most commonly optimized for metal and masonry. For wood, you may prefer specialized spade or Forstner bits, though short bits work well for small pilot holes.

Even though they are sturdy, high-speed drilling generates friction. Use cutting oil and maintain a steady, moderate speed to preserve the tip's hardness.

They work well in both handheld drills and drill presses. In a drill press, they are particularly effective for high-precision, shallow countersinking or spot drilling.

Actually, the opposite is true. Short bits are significantly more resistant to snapping because they lack the long, flexible shaft that typically fails under lateral pressure.
Research & Insights

Our Analysis of Drill America Short Drill Bits

31,092 Reviews Analyzed
47 Products Evaluated
5.6 Avg PM Score
7 Brands Ranked

Top 10 Drill America Short Drill Bits Brands on Amazon

Share of top-ranked products by brand, from our editorial analysis.

  1. 01 Drill America 38 (80.9%)
  2. 02 Comoware 2 (4.3%)
  3. 03 Lichamp 2 (4.3%)
  4. 04 Uxcell 2 (4.3%)
  5. 05 Amoolo 1 (2.1%)
  6. 06 K-Brands 1 (2.1%)
  7. 07 Oxtul 1 (2.1%)

What Our Analysis Found

We've carried out a comprehensive analysis of 31,092 reviews on Drill America Short Drill Bits, using our selection criteria to identify the best options in the power tools & hand tools. Our findings reveal that most customers typically select Drill America Short Drill Bits priced around $49.73, with top brands including amoolo, neiko, drill america, titggi, uxcell, lichamp and comoware and oxtul.

Our team of expert editors reviewed these high-quality items and handpicked the top 30 Drill America Short Drill Bits for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the power tools & hand tools category — including amoolo direct, amazon.com, titggi, amadeo city, airweldonline, lichamp, tg tools, your tools and cti industrial supply, llc and virventures.

We are dedicated to assisting our users in finding the right bits Products based on their needs, saving them considerable time when choosing which Drill America Short Drill Bits to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.

Side by Side

Comparison Table

Compare the top 30 picks at a glance — select a column to sort.

# Product Brand PM Score Rating Where to Buy
1 COMOWARE Titanium Coated HSS Drill Bit Set COMOWARE 9.9 4.4 (16,461) Buy on Amazon
2 Drill America Cobalt Aircraft Extension Drill Bit Drill America 9.8 4.8 (170) Buy on Amazon
3 Drill America Cobalt Aircraft Extension Drill Bit Drill America 9.8 4.6 (1,942) Buy on Amazon
4 Drill America Heavy Duty High Speed Steel Drill Bit Set Drill America 9.8 4.6 (1,115) Buy on Amazon
5 Amoolo M35 Cobalt High Speed Steel Drill Bit Set amoolo 9.6 4.4 (3,030) Buy on Amazon
6 Drill America High Speed Steel Reduced Shank Drill Bit Drill America 9.6 4.3 (4,772) Buy on Amazon
7 TITGGI Professional Carbide Tip Masonry Drill Bit Set TITGGI 9.6 4.3 (6,057) Buy on Amazon
8 Drill America High Speed Steel Polished Drill Bits Drill America 9.5 4.5 (148) Buy on Amazon
9 Drill America 25 Piece Metric Cobalt Drill Bit Set Drill America 9.5 4.5 (910) Buy on Amazon
10 Neiko Screw Extractor and Left-Hand Drill Bit Set Neiko 9.5 4.1 (4,391) Buy on Amazon
11 Drill America DWDN30P12 #30 High Speed Steel Black Oxide Dri Drill America 9.4 4.4 (567) Buy on Amazon
12 Drill America High Speed Steel Reduced Shank Drill Bit Drill America 9.2 4.2 (111) Buy on Amazon
13 COMOWARE 60-Piece Number Size Drill Bit Set COMOWARE 9.2 4.2 (821) Buy on Amazon
14 Drill America Cobalt Reduced Shank Drill Bit Drill America 9.1 4.1 (184) Buy on Amazon
15 Drill America High Speed Steel Reduced Shank Drill Bit Drill America 8.7 4.2 (90) Buy on Amazon
16 Drill America DMS Series Brad Point Wood Drill Bit Drill America 8.2 4.0 (83) Buy on Amazon
17 Drill America 1/4" High Speed Steel Heavy Duty Split Point S Drill America 7.0 4.7 (46) Buy on Amazon
18 Drill America M42 Cobalt Screw Machine Drill Set Drill America 6.4 4.0 (48) Buy on Amazon
19 Drill America 29 Piece M42 Cobalt Drill Bit Set Drill America 6.3 4.2 (42) Buy on Amazon
20 Lichamp 29-Piece M2 High-Speed Steel Drill Bit Set Lichamp 5.9 4.8 (22) Buy on Amazon
21 Lichamp M2 High-Speed Steel Drill Bit Set Lichamp 5.6 4.5 (21) Buy on Amazon
22 Drill America High Speed Steel Drill Bit Set Drill America 5.4 4.9 (9) Buy on Amazon
23 Drill America 29 Piece High Speed Steel Drill Bit Set in Rou Drill America 5.4 3.8 (31) Buy on Amazon
24 Drill America High Speed Steel Split Point Drill Bits Drill America 5.3 4.2 (22) Buy on Amazon
25 Drill America Cobalt Black Oxide Threaded Shank Drill Bits Drill America 5.2 5.0 (4) Buy on Amazon
26 Drill America 1/2" HSS Heavy Duty Split Point Stub Drill Bit Drill America 5.1 5.0 (1) Buy on Amazon
27 Drill America DWDN37/64 37/64" High Speed Steel Black Oxide Drill America 5.0 3.9 (21) Buy on Amazon
28 OXTUL M2 High Speed Steel Drill Bit Set OXTUL 4.8 3.9 (18) Buy on Amazon
29 Drill America 23/64" x 12" HSS Aircraft Extension Drill Bit, Drill America 4.6 4.4 (4) Buy on Amazon
30 Drill America Heavy Duty Reduced Shank Drill Bit Set Drill America 4.6 3.8 (15) Buy on Amazon