Best Hex Drill Bits in 2026

WELL-EQUIPPED BITS SIZE - 20 piece hex driver/ allen drill precise bits in the following size: 10 PC SAE of 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16" and 10 PC Metric of 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm

INDUSTRIAL GRADE QUALITY - The hex drill bits are made from S2 steel material in a matt rust-resistant finish with labeled size marks & magnetic tips. Two portable rubble strips store in a durable plastic case: one packs bits in SAE, another packs bits in Metric

EXPERIMENT TESTS - The bits have experienced torsion and hardness test. The results of tests show that the maximum torsion force of bits are 180-200N and the hardness of bits are 57-59HRC. The high torsion and proper hardness avoid the bits break and wear

PREMIUM GRADE: KFD Killer Force Jobber Length Drill Bits are manufactured from M2 premium grade, high speed steel with a gold and black surface treated for use with stainless steel and other hard metal drilling

BEST USES: Can be used for most general use applications and compatible for multi material drilling with aluminum, iron, wood, plastic and stainless steel, offering a combination of hardness and toughness for wear resistance

HEAVY DUTY CUTTING: 135 degree split point for self-centering and fast precision drilling; Round shanks allow use with many tool holding systems; When run counterclockwise (right hand cut) spiral fluted tools evacuate chips to reduce clogging

COBALT STEEL - Manufactured from M35 cobalt steel, with molybdenum and cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67, extremely heat resistant; for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit.

NO CENTER PUNCH NEEDED - The 135° Quick-Cut points are self-centering and penetrate quickly with less pressure. Will not "walk" or "wander". Straight shank allows for firmly holding and accurate centering, fit for standard drill chucks and regular round collet chucks. Must be used and operated at proper RPMs for maximum efficiency

13PC METRIC BITS - The set includes 13pcs of M35 cobalt steel twist drill bits: 1.5mm, 2mm, 2.5mm, 3mm, 3.2mm, 3.5mm, 4mm, 4.5mm, 4.8mm, 5mm, 5.5mm, 6mm, 6.5mm. Well organized in a plastic indexed storage case for easy transport to your worksite.

【 Exquisite workmanship】Durable taps are made of high speed steel, which can ensure sharp, fast execution and retain strength and efficiency. The surface is treated with a titanium alloy, which greatly improves the cutting performance of the drill, is more wear-resistant and prolongs the service life.

【Ergonomic design】The product portfolio includes SAE and metric sizes, so it has high versatility. Each tap drill is engraved with a label, which is convenient for you to choose the size that suits you. The convenient ¼-inch (6.35mm) hex shank has a tapered end to prevent excessive knocks. Back taper exceeds the tap to prevent over-drilling and damage to the thread.

【High efficiency 】 They are taps with drilling function, three-in-one operation, which can drill, tap, deburr and counter holes on copper, brass, aluminum, metal sheet and plastic at the same time, so as to quickly , Complete work completely, greatly save processing steps and time costs, and improve work efficiency.

COMBINATION TAP/DRILL BIT: Completes hole drilling, tapping, deburring, and countersinking in a single operation with a power drill to save time and labor

TAPS A VARIETY OF MATERIAL: Built to tap up to 10-gauge metal including mild steel, copper, brass, and aluminum

OPTIMUM PERFORMANCE: Back-tapered beyond tap design prevents thread damage from over-drilling, and high-quality hex shank ensures a strong connection to the drill chuck

DRILLING AIN’T EASY: Drilling quickly and accurately into different materials requires choosing the appropriate drill bit type. Get it done right with The Hi-Spec Multi Metric Drill Bit Set. The perfect complement for those everyday drilling jobs in wood, plastics, metal, drywall, masonry, concrete and brick

78 HSS BITS: High-Speed Steel (HSS4241) round-shank twist drill bits, stronger than normal high-carbon steel, for most metals, wood, drywall and plastics. Titanium coated for wear resistance and reduced friction. Sizes 1/16, 5/64, 1/8, 5/32, 3/16, 1/4, 5/16, 3/8”

26 BRAD POINT WOOD BITS: Their sharpened edges easily cut and churn out wood, drywall and plastics. Also known as spur point bits, piercing tips allows for non-slipping and accurate starts. Sizes 5/32, 3/16, 15/64, 5/16, 3/8"

Premium M42 8% Cobalt Steel ,68-70 HRC (Rockwell Hardness Scale) ,Usually Give the Best Heat,Wear and Chip Resistance and Long Tool Life.

3 Steps Desigh for Cutting through Stainless Steel,Hard Metals,Aluminum,Plastic.

This Cobalt Drill Bit is Typically Capable of Running Three to Five Times Faster.Despite the Higher Price,the Cost Per Hole When Using Cobalt Drill Bit Will be the Lowest,Since It Can Produce So Many More Holes.

Material: Titanium Combination Drill taps are made of HSS 4341, High hardness, rustproof, solid and durable; Each tap drill is engraved with a size making, which is convenient for you to choose the size that suits you.

Easy Use: Fast replacement composite cone, uses drill edged principle. Drilling and tapping in one, one-step processing, greatly save processing steps and time costs, improve working efficiency.

Metric: M3x0.5, M4x0.7, M5x0.8, M6x1, M8x1.25, M10x1.5.Shank:1/4 inch (6.35mm) hex quick-change shank, fit Electric hand drill, impact drill, bench drill, electric screwdriver and other tap machines.

[What You Will Have] Set of 6 metric tap drill bit set M3x0.5 M4x0.7 M5x0.8 M6x1 M8x1.25 M10x1.5 Short size is not easy to shake and can drill accurately

[Easy Use]Fast replacement composite cone uses drill edged principle Drilling and tapping in one, one-step processing, which can drill, tap, deburr and counter holes on wood, copper, brass, aluminum, sheet metal and plastic greatly save processing steps and time costs, improve working efficiency

[Material] HSS4341 (high-speed steel) + titanium coating. Each tap drill is engraved with a size making, which is convenient for you to choose the size that suits you

Screwdriver Fits : Fits standard 1/4- to 3/4-inch and metric 7-19mm nuts and bolt heads. 1/4" 6.35MM Hex Drill Bit Screwdriver.UNIQUE: Unique design automatically adjusts to any size or shape, compact and easy to carry.UNIVERSAL: A universal socket can be adjusted immediately to grasp the hex nut, screw eye, hook, tension screw and bolt head. Works on a power drill (adapter not included).

MULTILATERAL:Stainless steel construction with 54 individual hardened steel spring pins that retract to the shape of most objects.PROFESSIONAL: Professional grade universal socket wrench 7mm to 19mm, self adjusting universal repair tools.Can be used in automotive industry, household maintenance, manufacturing industry, construction.

105°Angle Extension 1/4inch 6mm Hex Drill Bit Screwdriver Socket Holder Adaptor, 1/4 inch hex drive shaft is quick change compatible and fits most power drill, rechargeable drill, manual wrench and driver chucks,Magnetic 1/4 inch hex socket accepts and holds standard drill and driver bits.

PREMIUM MATERIAL: Manufactured from 4241 high speed steel for strength and durability

STORAGE: Supplied in a plastic storage box for easy storage and transportation

Widely USED: The 135° fast cutting point is automatically centered and penetrates quickly with less pressure,The drill kit meets all your requirements, including all common size specifications for Ideal Drilling in Wood/Cast Iron/Aluminum Alloy/Plastic/Fiberglass

Cobalt Steel - Manufactured From M35 5% Cobalt Steel, With Molybdenum And Cobalt Added To Creates A Hardened Alloy, Measuring Rockwell Hardness Up To 65, For Much Faster Cutting And Extra Longer Life Span, With Up To 10 Times When Compared with an Average HSS Drill Bit.

HSS Titanium Coating - Classic HSS Construction With Titanium Coating For Capability And Durability. The Cutting Edge Is Hardened And Honed For Sharpness.

Flutes Form - 2 Flutes Form Helps Clear Chips And Debris Away From The Bit, Decreasing Friction And Heat For A Faster, Cooler Drilling Process, Chatter-Free Design With Staggered Cutting Teeth Ensure The Precise Countersinking And Hole Smooth Clean.

Chrome-vanadium steel lasts longer between sharpening

Less tear-out in hardwood, softwood and laminated materials

Optimized outer spurs insure fast and easy cutting of the wood, scoring the outer rim of the hole before the main part of the drill begins to do its work

✅【5% COBALT TWIST DRILL BITS SET】Made from M35 Cobalt Steel with Molybdenum and Cobalt added to form a hardened alloy, can measure up to 67 Rockwell hardness, cut faster, last longer, and last longer than normal HSS drill bits 12 times.

✅【19PCS METRIC DIRLL BITS SET】The set includes 19pcs of M35 cobalt steel twist drill bits: 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7 mm, 7.5mm, 8 mm, 8.5mm, 9 mm, 9.5mm, 10 mm. Organized in a sturdy plastic storage case for easy transport to your workplace.

✅【TWIST DESIGN AND PERFORMANCE】Precise 135° SPLIT Point, Gold Oxide Surface and Round Straight Shank. Prevents walking and removes chips and particles faster. Precision fully ground to ensure smooth chip movement.

🔧【Material】 HSS 4241 & classic high speed steel with titanium coating for strength and longevity.

😀【Package】 3-Piece HSS Groove Step Drill Bit (4-12/ 4-20/ 4-32mm ) + 1 Automatic Center Punch.

🔧【Easy Drilling】 Two-fluted design provides faster, smoother cutting, provided with small pressure and the sets. Stepped grooves prevent slippage in the chuck.

【Step Drills and Cone Drill】3 piece 5/9/14 step drills (4-12/20/32mm) and 1 piece cone drill (8-20mm). Laser marking of step size provide convenient and accurate drilling

【Countersink Drill Bits】6 piece countersink drill bits: 6.3, 8.3, 10.4, 12.4, 16.5, 20.5mm - 90° point, three cutting edges, ideal for deep countersinking

【High Quality】All drills are HSS Titanium coated, come with 1/4" (6.35mm) hex shank, and are precision ground, heat treatment, and hardened for consistently accurate drilling or enlarging holes into sheet & non-ferrous metals, wood and plastics

Update plastic box packaging Imperial units 6PCS：1/8"(3.175mm)、5/32"（3.97mm）、3/16"（4.76mm）、1/4"（6.35mm）、5/16"（7.94mm）、3/8"（9.53mm）

Suitable for Low Hardness Materials Such as Wood, Aluminium Plate, Plastic, or Sheet Iron (thickness of less than 3mm).

Back tapered beyond tap to prevent thread damage from over-drilling

28 SIZE IN 3: For using step bits for metal, stepped drill bit, sheet metal drill bit, step down bit, stepper drill bit, stepping drill bit

Work as tapered drill bit, step up bit, step drill bit, step bit, step drill bits for metal, step drill, step drill bit set, step drill bits

Use as step bits, step drill bit set 5, drill bit step, 2 inch step drill bit, step bit drill bit, step drill set, drill step bit

19pcs of Metric Twist Drill Bits - 1.0mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm, 3.5mm, 4.0mm, 4.5mm, 5.0mm, 5.5mm, 6.0mm, 6.5mm, 7.0mm, 7.5mm, 8.0mm, 8.5mm, 9.0mm, 9.5mm, 10.0mm. Enough for daily use.

HSS 4241 - Made of high speed steel 4241 and coated with titanium for rust prevention.

Straight Shank and 118 Degree Point Angle - Straight shank for standard drill chucks and collet chuck to hold firmly, assuring accurate centering; Helical flute for swarf to easily get out; standard 118-degree point configuration is ideal for general purpose drilling applications.

Nice combination: you will receive 1 piece bendable drill bit extension, 3 pieces socket adapter sets (including 1/ 4 inch, 3/ 8 inch and 1/ 2 inch ), 3 pieces 360 degree rotatable universal joint swivel sockets (including 1/ 4 inch, 3/ 8 inch and 1/ 2 inch ), 10 pieces screwdriver bit sets, 1 piece 105 degree right angle drill extension, 1 piece socket wrench and 3 pieces magnetic screwdriver bit sets, nice and adequate to use in daily life

Socket adapter set: socket adapters set and 360 degree rotatable power drill adapters set, each set come with 1/ 4 inch, 3/ 8 inch, 1/ 2 inch, each with a 1/ 4 inch hex drill bits, widely applied in the installation of electric screwdriver, manual screwdriver and other installation for the hexagonal tool; Suitable for standard 1/ 4 to 3/ 4 inches and metric 7 mm to 19 mm screws

Flexible function: flexible drill extension kit and bendable drill bit extension can be twisted and rotated at different angles; It can be connected to the drill, a charging bit or a manual wrench, thus improving you work efficiency

[Easy Use]Fast replacement composite cone uses drill edged principle Drilling and tapping in one, one-step processing, which can drill, tap, deburr and counter holes on wood, copper, brass, aluminum, sheet metal and plastic greatly save processing steps and time costs, improve working efficiency

[Material] HSS4341 (high-speed steel) + titanium coating. High speed steel is designed to ensure sharp, fast execution and withholds strength and efficiency. Each tap drill is engraved with a size making, which is convenient for you to choose the size that suits you

[Quick Change] 1/4 inch Hex Shank fits into all power tools more easily and securely, especially for locking into quick change chuck. Convenient ¼” hex shank features a tapered end to prevent over-tapping and includes a quick-change adapter for easy size change

Great product and very good quality. Made from M35 Hight-speed Steel and 5% Cobalt.Size:7.0mm,Total lengh:4.33inch,Work lengh:2.75inch

The blades are very sharp and they drill into metal fast.Including Steels,Cast Iron ,Copper,Galvanized Pipe,Aluminum Alloy,Wood, Plastic and Other Hard Metals.If drilling hard metal, Highly recommended use drilling press and control RPM.Not for Glass or Ceramic Materials.

Full-grinding Nitriding,Good Wear resistance,Durable,Spiral groove design, well chip removal performance.135 Tip & Twist Design,Increases cutting speed with self-centering and prevents walking.

【High quality material】Made of high quality HSS with nano blue coating, high hardness, anti-rust, has excellent for capability and durability.This drill bits set can quickly drill, tap, deburr and countersink.

【Perfect size】Our Drill Tap Bits Set contains six sizes, namely Metric: M3x0.5, M4x0.7, M5x0.8, M6x1, M8x1.25, M10x1.5，Shank:1/4 inch (6.35mm ) hex shank. It can be used for tapping various threads, making your work more convenient.Each tap drill is engraved with its size convenient for you to choose the suitable size with a glance.

【Drilling and tapping in one】Fast replacement composite cone, uses drill edged principle.Complete hole drilling, tapping, deburring and countersinking in one operation save processing steps and time costs, improve working efficiency.

Shape: 7pcs 1/4 inch Shank Titanium Combination Drill and Tap Set, Metric M3*0.5mm (2pcs), M4*0.7mm, M5*0.8mm, M6*1.0mm, M8*1.25mm, M10*1.5mm, It is not easy to shake and can drill accurately.

Multi-purpose: These drill tap bits are must have if you fabricate a lot; you can use the in aluminum, wood, plastic, iron, and so on, They’re sharp, and easy to use. Fit Electric hand drill, impact drill, bench drill and tap machines.

Easy to Use: Each tap drill is engraved with its size convenient for you to choose the suitable size with a glance. A tapered end on hex shank can prevent excessive knocks; Back taper exceeds the tap to prevent over-drilling and damage to the thread.

DRILL AND TAP 2 IN 1 - Drilling holes and taping threads in one bit and one operation to save time, money and effort

HSS-CO AND TIAIN FINISH - Made of M35 grade cobalt steel and coated with Titanium Aluminum Nitride(TiAIN), exceptionally oxidation resistant and hard, to easily penetrate hard metals.

SELF-CENTERING - Pilot X-shape self-centering split point provides excellent drilling accuracy and precision; High quality hex shank to ensure strong connection to drill chuck

Material : Diameter Size of Micro HSS Drill Bit Set is 2.5mm.

Package Include: 10 pcs metal drill bits fit for the majority of power drill currently on the market and come with a portable plastic case for easy storage and organization.

Quality Material: Cobalt drill bit set adopts HSS-4341, which is durable, strong and practical, long service life, heat resistant and wear-resistant; The cutting edge of drill bit is hardened and honed, cutting precision, no shaking.

COUNTERSINK DRILL BIT SET & WOOD PLUG CUTTERS - Included 2 Pieces #8(11/64") and #12(7/32") Adjustable Countersink and Counterbore Cutters with HSS M2 Tapered Drill Bit (for up to 3/8" and 1/2" screws head), 2 Wood Plug or Dowel Cutters 3/8" and 1/2" diameter, 1 Hex Wrench. The set is Imperial Units of Measurements (not metric) - Also known as Adjustable Countersink, Countersink Bits For Wood, Dowel Maker, Plug Cutter For Woodworking, Plug Cutter Kit

IMPORTANT TIPS FOR USE - Cutters for Countersink and Counterbore depth are Adjustable for many screws sizes. Developed to complement each other the Adjustable Countersink & Counterbore makes perfect and clean holes to be filled with the Wood Plugs or Wood Dowels. Plug Cutters must be used with Drill Press to have a perfect diameter. The Plug Cutters are not designed to be used with a hand drill, attempting to use a hand drill will cause broken blades or imperfect plugs.

QUICK CHANGE SHANK - The Quick Change 1/4" Shank is Universal size, Compatible with all 1/4" Quick Change Chucks.

Complete Combination: you will receive a bendable drill bit extension, 3 socket adapter sets and 3 pieces 360 degree rotatable joint swivel sockets (including 1/ 4 inch, 3/ 8 inch and 1/ 2 inch ), 10 short screwdriver bits, 3 magnetic screwdriver bits, a 105 degree right angle drill extension, a socket wrench, a 90 degree right angle screwdriver bits soft shaft and 8 hex shank impact driver socket adapters; This nice combination kit is great for daily use and replacement

Rocket Adapter Set: each set of socket adapters, 360 degree rotatable power drill adapter and power drill sockets adapter comes with 1/ 4 inch, 3/ 8 inch, 1/ 2 inch, and equipped with a 1/ 4 inch hex drill bit, which can be widely applied in the installation of electric screwdriver, manual screwdriver and other installation for the hexagonal tool; Applicable for standard 1/ 4 to 3/ 4 inches and metric 7 to 19 mm/ 0.3 to 0.7 inches screws

Screwdriver Bit: adopting quality steel materials, these magnetic screwdriver bits are practical and reliable, featuring high strength and wear resistance; They measure 60 mm/ 2.36 inch, 100 mm/ 3.94 inch, 150 mm/ 5.91 inch in length, respectively, are applicable for electric and pneumatic screwdrivers

[Material] HSS4341 (high-speed steel) + titanium coating. Each tap drill is engraved with a size making, which is convenient for you to choose the size that suits you

[What You Will Have] Set of 6 drill tap bits in metric sizes M3x0.5 M4x0.7 M5x0.8 M6x1 M8x1.25 M10x1.5 Short size is not easy to shake and can drill accurately

[Easy to Use]Fast replacement composite cone uses drill edged principle Drilling and tapping in one, one-step processing, which can drill, tap, deburr and counter holes on wood, copper, brass, aluminum, sheet metal and plastic greatly save processing steps and time costs, improve working efficiency

【Complete Drill Set】- Package includes7pcs 3-point countersink drill bit, 8pcs wood plug cutters, 6pcs countersink drill bits, 1pcs l-wrench and 1pcs center punch for wood. They can almost meet all brick and wood hole extraction needs of professionals or beginners. They are in metric size, and inches are converted.

【3-pointed Countersink Drills】- 3-point countersink drill bits include 3mm(0.11"), 4mm(0.15"), 5mm(0.19"), 6mm(0.23"), 7mm(0.27"), 8mm(0.31"), 9mm(0.35"), 10mm(0.39") for drilling pilot holes. Drill tips adopt 3-point design for quick and accurate center punching, large chip flute and five edge chamfer allows faster and easier discharge of sawdust.

【Wood Plug Cutters】- Wood plug set includes 4 standard plug cutters and 4 four-tooth chambered cutters. Their shank diameters are 9.5mm(0.37"), tail diameters size are 6mm(1/4"), 10mm(3/8"), 13mm(1/2") and 16mm(5/8").