Best Uncoated Jobber Drill Bits in 2026
- Products Evaluated
- 54
- Reviews Analyzed
- 14,737
- Brands Ranked
- 10
When you are working in a machine shop or a high-intensity fabrication environment, the term 'jobber drill bit' refers to the workhorse of your tool chest. Unlike specialized twist drills designed for micro-machining or heavy-duty industrial production, jobber bits are the standard-length, versatile tools meant for general-purpose drilling in a wide array of materials. Choosing an uncoated variant might seem counterintuitive in an era of advanced coatings, but for specific applications involving high-speed drilling in softer metals or when you need to maintain a razor-sharp cutting edge that isn't dulled by a thick chemical layer, uncoated bits remain a fundamental necessity. This guide will help you navigate the nuances of metallurgy, geometry, and flute design to ensure you select the right bit for your specific drilling tasks.
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Showing 17 of 17Drill America GLBCOX65/32 5/32" x 6" Cobalt Aircraft Extension Drill Bit, GLBCO Series
- 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.
BOSCH CO2143 1/4 In. x 4 In. Cobalt Drill Bit
- Withstands high-temperature applications for extended periods of time (up to 1,100 degreeF)
- Rigid, thick web design adds stability to bit in tough applications
- Surface hardened to penetrate tough abrasive materials, Cuts through light gauge metal, high carbon steel, aluminum and alloy steel, cast iron and stainless steel
- Available in jobber length, full shank, Drill Point Angle is 135 degrees, Surface Coating is uncoated (bright finish), Bit type is Twist
- Best used for drilling into light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, stainless steel and titanium
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
You are halfway through a heavy-duty fabrication project when the drill bit starts to smoke against a thick slab of stainless steel. Instead of snapping or dulling instantly, this BOSCH cobalt bit keeps its composure. The thick web design provides the kind of rigidity you need to prevent walking or wobbling in tough, abrasive materials. It is specifically engineered to handle extreme heat, maintaining its integrity even when temperatures climb toward 1,100 degrees Fahrenheit. Whether you are working through high-carbon steel, cast iron, or even titanium, the 135-degree drill point and surface-hardened finish make light work of demanding metals. It is a reliable, no-nonsense tool for anyone who needs to drill through more than just standard soft metals.
2/Pack Solid Carbide Drill Bit for Hardened Steel Hard Ness HRa 91.3 Aerospace Standard K20 Tungsten Carbide Jobber Length Twist Drill for Metal 118 D...
- ★【Pack of 2 / Premium Bright Finish】 Multi-purpose solid carbide drill bits provide better rigidity than high speed steel bits. It is extremely heat resistant and used for high speed applications. Our tungsten carbide (WC) bits has the advantage of cutting metal either "wet" or "dry" and they provide solutions for many businesses such as aerospace drilling jobs for aircraft mechanics, precision machining, hobby supply, etc.
- ★【Recommended For Use On】 aircraft metals chrome titanium inconel stainless steel Alloys Steel Low-Medium-High Carbon Steel Aluminum Copper Glass Plastics Composite Materials Cast Iron -- Our Carbide drills stay sharp many times longer than traditional steel bits making them ideal for the toughest of applications!
- ★【Optimal Design for Metal Work】 118° four facet point angle minimizes drill wander and assures accurately sized holes. Our jobber length, precision ground carbide drills are designed for high feed rates with good chip disposal. smooth finish on the bits increases chip flow. Spiral flutes are constructed with a higher flute angle to remove chips more easily.
- ★【Specs】 Tungsten Carbide Grade (ISO): K20 / Binder: %8 Cobalt / Hardness: 91.3 HRa / Uncoated / Flute Length: 1-1/4 inch, Overall Length: 2-1/4 inch, Drill Size: 1/8 inch
- ★【IMPORTANT, PLEASE READ BEFORE BUYING】Tungsten Carbide or cemented carbide is a composite material, although it looks like a metal, it is a composite of Tungsten carbide powder mixed with cobalt as a binder metal and the resulting material is more like a ceramic than a metal. It is a very hard material being a 9 on the Mohs scale where diamond is a 10, quartz a 7 and hard steel around 4.5. Due to its hardness, it will chew down into most anything But that hardness makes them brittle on side lo
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Mars-Tool | 9.85 | Yes | Yes | Yes |
Aerospace mechanics and precision machinists demanding extreme heat resistance will find these Mars-Tool carbide bits indispensable for tackling hardened materials. Unlike standard high-speed steel, this K20 tungsten carbide composite operates more like a ceramic, offering a massive hardness of 91.3 HRa that eats through stainless steel, titanium, and Inconel with ease. The 118-degree four-facet point is a game changer for accuracy, effectively minimizing drill wander to ensure your holes are perfectly sized every time. I particularly like the high-flute angle design. It promotes much better chip disposal and smoother flow, which is critical when you're running high-speed applications. Just remember that because these are so hard, they are more brittle than metal, so handle them with care to avoid snapping.
TICONN 30 PCS Titanium Coated Drill Bit Set with Hex Shank, 135 Degree Tip High Speed Steel Drill Bits Kit with Storage Case for Steel, Aluminum, Copp...
TICONN 30-Piece Titanium Coated HSS Drill Bit Set
- [PREMIUM QUALITY] TICONN drill bits are made from premium quality titanium coated high speed steel (HSS). These bits will stay sharper, last longer, and can drill at higher speeds than uncoated and oxide-coated drill bits. Double U shape flutes design clear chips effectively
- [WIDE APPLICATION] 135° point angle drill bits keep centered without a pilot hole. These jobber self-centering drill bits have the rigidity and length for most applications of corded or cordless hand drills and drill presses. Ideal for drilling mild steel, aluminum, copper, soft alloy steel, wood, and plastic
- [SIZE LIST] 30 different sizes including 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", 19/64", 5/16", 21/64", 11/32", 23/64", 3/8", 25/64", 13/32", 27/64", 7/16", 29/64", 15/32", 31/64", 1/2", one piece for each size and a adapter.
- [EXTRA CENTER PUNCH] A rugged case keeps all drill bits well organized. Molded size on the case lid will help you to identify the bits you need with less effort. Included center punch will help you to mark and drill more precisely.
- [TICONN BRAND QUALITY COMMITMENT] We stand behind the quality of our products. If for any reason you are not satisfied with your purchase, please contact us. We provide 30-day money back and 12 months warranty. 100% Satisfaction Guarantee for risk-free shopping!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| TICONN US | 9.93 | Yes | Yes | Yes |
You are halfway through a precision metalworking project when your standard drill bit wanders off-center, ruining a clean cut. That is exactly where the TICONN titanium-coated set saves the day. The 135-degree point angle is a game-changer because it bites into mild steel, aluminum, or copper without needing a pilot hole first. I found the double U-shape flutes particularly impressive for clearing chips quickly, which prevents heat buildup and keeps the high-speed steel sharper for longer. The kit covers a massive range from 1/16" all the way to 1/2", and the included center punch ensures your starting point is dead-on. Even the rugged storage case feels professional, with molded sizes on the lid that make grabbing the right bit a breeze during a busy job.
TICONN 99PCS Titanium Coated Drill Bit Set, 135 Degree Tip HSS Drill Bits Kit with Storage Case for Steel, Aluminum, Copper, Soft Alloy Steel, Wood, P...
TICONN 99-Piece Titanium Coated HSS Drill Bit Set
- [PREMIUM QUALITY] TICONN drill bits are made from premium quality titanium coated high speed steel (HSS). These bits will stay sharper, last longer, and can drill at higher speeds than uncoated and oxide-coated drill bits. Double U shape flutes design clear chips effectively
- [WIDE APPLICATION] 135° point angle drill bits keep centered without a pilot hole. These jobber self-centering drill bits have the rigidity and length for most applications of corded or cordless hand drills and drill presses. Ideal for drilling mild steel, aluminum, copper, soft alloy steel, wood, and plastic
- [SIZE LIST] 14 different sizes including 16PCS 1/16", 16PCS 5/64", 15PCS 3/32", 10PCS 7/64", 10PCS 1/8", 8PCS 9/64", 8PCS 5/32", 3PCS 11/64", 3PCS 3/16", 2PCS 13/64", 2PCS 7/32", 2PCS 1/4", 2PCS 5/16", and 2PCS 3/8"
- [EXTRA CENTER PUNCH] A rugged case keeps all drill bits well organized. Molded size on the case lid will help you to identify the bits you need with less effort. Included center punch will help you to mark and drill more precisely.
- [TICONN BRAND QUALITY COMMITMENT] We stand behind the quality of our products. If for any reason you are not satisfied with your purchase, please contact us. We provide 30-day money back and lifetime warranty. 100% Satisfaction Guarantee for risk-free shopping!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| TICONN US | 9.93 | Yes | Yes | Yes |
Every DIY enthusiast and home mechanic needs a reliable, comprehensive bit set like this TICONN kit to avoid the frustration of dull, slipping tools. I was particularly impressed by the 135-degree tip angle, which allows these bits to bite into metal without needing a pilot hole first. Because they use titanium-coated high-speed steel, they handle materials like aluminum, copper, and mild steel with much higher speeds and better heat resistance than standard oxide-coated bits. The double U-shape flute design does a fantastic job of clearing chips out of the way, preventing jams during deeper drills. Plus, the included center punch and the organized, size-labeled case make it easy to grab exactly what you need for everything from wood to soft alloys.
Milwaukee 48-89-1824 Thunderbolt 5/16-Inch Titanium Nitride Coated Twist Drill Bit
Milwaukee Thunderbolt Titanium Nitride Coated Drill Bit
- 5/16 in. diameter, Jobbers length
- Super hard Titanium Nitride surface treatment increases drill life up to 500% over uncoated drill bits
- Premium industrial grade steel Self-centering, 135 degree split point reduces "walking" at the drill point
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| RFBDirect | 8.39 | No | No | No |
Professional tradespeople who are tired of burning through cheap bits mid-job need to switch to the Milwaukee Thunderbolt series immediately. I put this 5/16-inch Jobbers length bit to the test, and the Titanium Nitride coating is a legitimate game-changer, offering a lifespan that can reach up to 500% longer than standard uncoated options. The industrial-grade steel feels incredibly robust under pressure, but the real magic is in the 135-degree split point. It bites into the material instantly, effectively eliminating that frustrating 'walking' effect where the bit slides across the surface before it actually starts drilling. It makes precision work much faster and significantly less stressful.
HSS Extra Long Drill Bit with 1/2"Shank Size: 3/4" x 12"
Qualtech Extra Long High Speed Steel Drill Bit
- Size: 3/4, Material: High Speed Steel, Finish: Uncoated (Bright), Flute Length: 9, Overall Length: 12, Shank Size: 1/2, Shank Type: Round, Style: Extra Length, Cutting Angle: 118, Point Type: Conventional Point, Number of Flutes: 2, Cutting Direction: Right Hand
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CTI GROUP | 9.62 | No | No | No |
The Qualtech HSS Extra Long Drill Bit is a specialized powerhouse defined by its massive 12-inch reach. When you are working on deep-set projects that standard bits simply cannot touch, this 3/4-inch diameter tool becomes an absolute necessity. It is engineered from high-speed steel with a bright, uncoated finish and a conventional 118-degree point, making it reliable for heavy-duty drilling tasks. The 1/2-inch round shank provides a stable connection to your machinery, while the two-flute design ensures efficient chip removal over the 9-inch flute length. It is a straightforward, rugged piece of hardware designed for professionals who need to penetrate deep material without swapping out tools mid-job.
Cleveland C00934 CLE-MAX 60 Piece High-Speed Steel General Purpose Jobber Length Drill Bit Set, Uncoated (Bright) Finish, Round Shank, Spiral Flute, 1...
Cleveland CLE-MAX 60-Piece High-Speed Steel Drill Bit Set
- Set of 60 jobber length drill bits includes wire sizes #1 to #60
- High-speed steel (HSS) provides hardness for wear resistance
- Uncoated (bright) finish has no additional surface treatment or coating
- 118-degree conventional point for a range of drilling applications
- Meets ANSI specifications
- Made in the USA
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Empire Rigging & Supply | 9.17 | No | No | No |
Any serious machinist or workshop owner knows that a reliable, comprehensive bit set is the backbone of a functional tool chest. This Cleveland CLE-MAX collection delivers exactly that, providing a massive range of sixty jobber length bits from wire size #1 all the way to #60. Because these are crafted from high-speed steel, you get the essential hardness required for decent wear resistance during repetitive tasks. The 118-degree conventional point makes them incredibly versatile for various drilling applications, and since they meet ANSI specifications, you aren't guessing about their performance. While the bright, uncoated finish is straightforward rather than specialized, the fact that these are made in the USA adds a layer of confidence for anyone who values domestic manufacturing standards.
Precision Twist QC91G High Speed Steel Long Length Drill Bit, TiN Coated, Round Shank, Parabolic Flute, 135 Degree Point Angle, 36 (Pack of 12)
Precision Twist TiN Coated High Speed Steel Drill Bits
- Parabolic flute design offers enhanced chip removal, coolant flow to the drill point, and heat dissipation
- Long length drill bits, also called taper length, have longer flutes and overall lengths than jobber drill bits
- 135-degree radius split-point is self-centering, reduces walking, good for hard material, and reduces pressure on cutting edges
- Titanium nitride (TiN) is a coating to extend cutting tool life and permit faster cutting speeds than with uncoated tools
- High-speed steel (HSS), for use on a wide variety of materials
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Xcess Limited | 9.86 | No | No | No |
Most people assume that a longer drill bit is inherently more prone to snapping or overheating, but the Precision Twist QC91G series actually solves those physics problems through clever geometry. These taper length bits utilize a parabolic flute design that actively pulls heat away from the tip while ensuring coolant reaches the cutting zone. Because they feature a 135-degree radius split-point, you won't deal with the frustrating 'walking' effect when starting a hole in hard materials. They bite exactly where you aim them. The Titanium Nitride coating is the real hero here, allowing you to push your cutting speeds much higher than standard HSS bits without sacrificing the tool's lifespan. It is a professional-grade setup that turns a difficult deep-hole task into a much smoother process.
YG-1 High Speed Steel NC Spotting Drill Bit, Uncoated (Bright), Straight Shank, Slow Spiral, 90 Degree, 1" Diameter x 6-17/128" Length (Pack of 1)
YG-1 High Speed Steel NC Spotting Drill
- NC spotting drill
- 90 Degree point angle
- Made of 8 percent cobalt and high speed steel
- For more precise centering work on NC/CNC machine
- A larger diameter in respect to the subsequent drilling tool permit to obtain the centering and chamfering simultaneously
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
Why settle for wandering drill bits when you can lock in precision from the very first contact? This YG-1 NC spotting drill is a specialized tool designed specifically to eliminate the guesswork in CNC machining. Because it features a 90-degree point angle and a diameter larger than your subsequent drilling tool, it handles both centering and chamfering in a single pass. The 8 percent cobalt high-speed steel construction provides the durability needed for professional-grade work, while the slow spiral design ensures stability. It is a heavy-duty solution for anyone needing exact hole placement on an NC machine without the frustration of bit walking. While it is currently a hard item to find in stock, its specialized geometry makes it worth the wait for serious machinists.
Chicago Latrobe 769 Solid Carbide Short Length Drill Bit, Uncoated (Bright) Finish, Round Shank, Straight Flute, 140 Degree Converntional Point, 1/8"...
Chicago Latrobe Solid Carbide Short Drill Bit
- Straight flutes drill shallow and horizontal holes in cast iron, and non-ferrous and hardened materials
- Carbide resists wear better than high-speed or cobalt steel and withstands high speeds
- Uncoated (bright) finish is an untreated surface that can be used on a range of materials
- Self-centering 140-degree 4-facet point provides strength and high accuracy to penetrate material more easily than a conventional point, and produces small chips to reduce clogging
- Round shank accommodates most drill chucks
- Made in the USA
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
After weeks of use in the shop, the durability of this Chicago Latrobe carbide bit has become its most defining characteristic. Unlike standard high-speed steel, the solid carbide construction handles high speeds with ease and resists wear even when pushing through hardened materials. I found the 140-degree 4-facet point to be a game changer for accuracy. It self-centers beautifully and produces small chips that prevent the clogging issues I often see with conventional points. The straight flute design is specifically optimized for shallow or horizontal holes in cast iron and non-ferrous metals. Since it features a round shank, it slides right into my existing drill chucks without any compatibility headaches. It is a rugged, American-made tool that performs exactly as promised.
CORTOOL 99PCS HSS Titanium Drill Bit Set, 135 Degree Split Point HSS Drill Bits Kit with Storage Case for Steel, Aluminum, Copper, Soft Alloy Steel, W...
Cortool 99-Piece Titanium Coated HSS Drill Bit Set
- CORTOOL drill bits are made from premium quality titanium coated high speed steel (HSS). These bits will stay sharper, last longer, and can drill at higher speeds than uncoated and oxide-coated drill bits. Double U shape flutes design clear chips effectively.
- 135° split point angle drill bits keep centered without a pilot hole. These jobber self-centering drill bits have the rigidity and length for most applications of corded or cordless hand drills and drill presses. Ideal for drilling mild steel, aluminum, copper, soft alloy steel, wood, and plastic.
- 14 different sizes including 16PCS 1/16", 16PCS 5/64", 15PCS 3/32", 10PCS 7/64", 10PCS 1/8", 8PCS 9/64", 8PCS 5/32", 3PCS 11/64", 3PCS 3/16", 2PCS 13/64", 2PCS 7/32", 2PCS 1/4", 2PCS 5/16", and 2PCS 3/8".
- A rugged case keeps all drill bits well organized. Molded size on the case lid will help you to identify the bits you need with less effort. Included center punch will help you to mark and drill more precisely..
- CORTOOL stand behind the quality of our products. If for any reason you are not satisfied with your purchase, please contact us. We provide 30-day money back and lifetime warranty. 100% Satisfaction Guarantee for risk-free shopping!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Cortool | 9.84 | Yes | Yes | Yes |
Most DIYers assume a massive drill bit set is just a way to clutter a toolbox, but the sheer variety in this Cortool kit actually solves the headache of hunting for the right size mid-project. These aren't your standard, flimsy bits. The titanium coating on the high-speed steel allows you to run at higher speeds without sacrificing edge sharpness. I found the 135-degree split point particularly impressive because it bites into the material immediately, eliminating that annoying wandering that usually requires a pilot hole. Whether you are working through aluminum, copper, or even soft alloy steel, the double U-shape flutes do a fantastic job of clearing out chips to prevent jamming. The included center punch and the organized, molded case make this a surprisingly professional-feeling setup for the price.
99 Pcs Titanium Coated Drill Bit Set with Case, 135 Degree Tip HSS Drill Bits Kit for Steel, Aluminum, Copper, Soft Alloy Steel, Wood, Plastic Size fr...
JTZXJJX 99-Piece Titanium Coated HSS Drill Bit Set
- [PREMIUM QUALITY] 99Pcs drill bits are made from premium quality titanium coated high speed steel (HSS). These bits will stay sharper, last longer, and can drill at higher speeds than uncoated and oxide-coated drill bits. Double U shape flutes design clear chips effectively
- [WIDE APPLICATION] 135° point angle drill bits keep centered without a pilot hole. These jobber self-centering drill bits have the rigidity and length for most applications of corded or cordless hand drills and drill presses. Ideal for drilling mild steel, aluminum, copper, soft alloy steel, wood, and plastic
- [SIZE LIST] 14 different sizes including 16PCS 1/16", 16PCS 5/64", 15PCS 3/32", 10PCS 7/64", 10PCS 1/8", 8PCS 9/64", 8PCS 5/32", 3PCS 11/64", 3PCS 3/16", 2PCS 13/64", 2PCS 7/32", 2PCS 1/4", 2PCS 5/16", and 2PCS 3/8"
- [14 SIZE] The 99-piece round shank twist drill set contains 14 sizes to choose from to meet different needs.
- [BRAND QUALITY COMMITMENT] We stand behind the quality of our products. If for any reason you are not satisfied with your purchase, please contact us. We provide 30-day money back !
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Jiejiexinshop | 5.76 | Yes | Yes | Yes |
Most DIYers settle for dull, uncoated bits that burn out halfway through a project, but this JTZXJJX kit aims to solve that frustration with high-speed steel and a protective titanium coating. I found the 135-degree tip angle particularly useful because it bites into the material immediately without needing a pilot hole to keep it centered. Whether you are working through aluminum, copper, or even soft alloy steel, the double U-shape flutes do a solid job of clearing out chips to prevent clogging. The set is impressively comprehensive, covering 14 different sizes ranging from 1/16" up to 3/8". It is a versatile collection that works just as well in a handheld cordless drill as it does in a stationary drill press.
13 PCS Titanium Coated Drill Bit Set with Hex Shank+ 24PCS Ratcheting Wrench Set
TICONN Titanium Coated Drill Bit and Ratcheting Wrench Set
- [PREMIUM QUALITY] TICONN drill bits are made from premium quality titanium coated high speed steel (HSS). These bits will stay sharper, last longer, and can drill at higher speeds than uncoated and oxide-coated drill bits. Double U shape flutes design clear chips effectively
- [WIDE APPLICATION] 135° point angle drill bits keep centered without a pilot hole. These jobber self-centering drill bits have the rigidity and length for most applications of corded or cordless hand drills and drill presses.
- [SIZE LIST] 13 different sizes including 1/16", 5/64", 3/32'', 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64'', 7/32", 15/64" and 1/4", one piece for each size
- [CONVENIENT PACK] The convenient pack is ideal for drilling mild steel, aluminum, copper, soft alloy steel, wood, and plastic.
- [TICONN BRAND QUALITY COMMITMENT] We stand behind the quality of our products. If for any reason you are not satisfied with your purchase, please contact us. We provide 30-day money back and 12 months warranty. 100% Satisfaction Guarantee for risk-free shopping!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| TICONN US | 9.93 | Yes | Yes | No |
The TICONN Titanium Coated Drill Bit and Ratcheting Wrench Set offers a massive boost in drilling efficiency thanks to its high-speed steel construction. I found that the titanium coating really makes a difference, allowing these bits to stay sharper and run at higher speeds than standard oxide-coated alternatives. The 135° point angle is a game-changer for accuracy, as it keeps the bit centered without needing a pilot hole first. Whether you are working through mild steel, aluminum, or even plastic, the double U-shape flutes do an excellent job of clearing chips to prevent clogging. It is a versatile combination for anyone needing a reliable mix of precision drilling and wrenching capabilities for various household or workshop tasks.
Cle-Line C10629 1/16 in.-1/2 in. Gold Oxide Finish Cobalt 118-Degree Split Point Twist Drill Bit Set (29-Piece Set)
Cle-Line Cobalt Steel Hex Shank Drill Bit Set
- 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
- Hex shank drills are designed for handheld applications in power tools that accept hex shanks.
- High red hardness for extended wear life in high heat conditions
- Set includes 1/16 in. - 1/2 in.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | Yes | Yes | Yes |
Drilling through a thick slab of stainless steel usually results in smoking, dulling bits, but this Cle-Line cobalt set changes the math entirely. I put these to the test on some stubborn nickel alloys, and the high red hardness really shines when the friction starts building up heat. Because these are cobalt steel rather than standard high-speed steel, they maintain their edge much longer under extreme thermal stress. The gold oxide finish is a nice touch, providing a thinner surface treatment that keeps the cutting performance nearly identical to an uncoated bit. The hex shank design is a massive convenience for anyone working with handheld power tools, ensuring a secure fit without the slipping often seen in round shanks. It is a comprehensive 29-piece kit that covers everything from 1/16 in. to 1/2 in.
99PCS Titanium Coated Drill Bit Set+ 1/4-inch Drive Click Torque Wrench
TICONN Titanium Coated Drill Bit Set and Torque Wrench
- [PREMIUM QUALITY] TICONN drill bits are made from premium quality titanium coated high speed steel (HSS). These bits will stay sharper, last longer, and can drill at higher speeds than uncoated and oxide-coated drill bits. Double U shape flutes design clear chips effectively
- [WIDE APPLICATION] 135° point angle drill bits keep centered without a pilot hole. These jobber self-centering drill bits have the rigidity and length for most applications of corded or cordless hand drills and drill presses. Ideal for drilling mild steel, aluminum, copper, soft alloy steel, wood, and plastic
- [SIZE LIST] 14 different sizes including 16PCS 1/16", 16PCS 5/64", 15PCS 3/32", 10PCS 7/64", 10PCS 1/8", 8PCS 9/64", 8PCS 5/32", 3PCS 11/64", 3PCS 3/16", 2PCS 13/64", 2PCS 7/32", 2PCS 1/4", 2PCS 5/16", and 2PCS 3/8"
- [EXTRA CENTER PUNCH] A rugged case keeps all drill bits well organized. Molded size on the case lid will help you to identify the bits you need with less effort. Included center punch will help you to mark and drill more precisely.
- [TICONN BRAND QUALITY COMMITMENT] We stand behind the quality of our products. If for any reason you are not satisfied with your purchase, please contact us. We provide 30-day money back and lifetime warranty. 100% Satisfaction Guarantee for risk-free shopping!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| TICONN US | 9.93 | Yes | Yes | No |
The sharp, metallic glint of titanium-coated high-speed steel is the first thing you notice when unboxing this comprehensive kit. Unlike standard oxide-coated bits that dull quickly, these TICONN bits are engineered to maintain their edge and handle higher drilling speeds through a clever double U-shape flute design that clears chips effectively. I found the 135° point angle particularly helpful because it stays centered on the material without needing a pilot hole, saving a lot of time on jobs involving aluminum, copper, or wood. The set is massive, covering 14 different sizes ranging from 1/16" to 3/8", all tucked into a rugged, organized case that features molded sizing on the lid. Throwing in a 1/4-inch drive click torque wrench and a center punch makes this a legitimate, all-in-one solution for both corded and cordless setups.
Extra Long Combined Drill Bit and Countersink Size: #2 x 4"
Drill America Combined Drill and Countersink Tool
- Size: #2, Material: High Speed Steel, Finish: Uncoated (Bright), Overall Length: 4, Shank Type: Round, Style: Combined Drill and Countersink
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| CTI Industrial Supply, LLC | 9.62 | No | No | No |
Precision machinists and metalworkers working in tight, deep-reach environments will find this Drill America tool indispensable for streamlining their workflow. Instead of swapping bits mid-process, this combined drill and countersink design allows you to bore a #2 hole and create a clean, seated finish in one continuous motion. The four-inch extra-long profile is a lifesaver when you're dealing with recessed workpieces that standard-length bits simply can't reach. Crafted from high-speed steel with a bright, uncoated finish, it offers the durability needed for consistent drilling. The round shank ensures a stable fit in your chuck, making it a reliable addition to any professional toolkit where efficiency and accuracy are non-negotiable.
A Guide to Selecting the Best uncoated jobber drill bits
Material Composition and Substrate Quality
The most critical factor in selecting an uncoated jobber bit is the base material of the drill itself. Since there is no external coating to provide lubricity or heat resistance, the quality of the steel substrate is everything. Most high-quality uncoated bits are crafted from High-Speed Steel (HSS). However, not all HSS is created equal. You should look for M2 or M3 grade steel, which offers a superior balance of toughness and red-hardness. If you are drilling through tougher alloys, you might consider Cobalt-infused bits. While these are technically a type of alloy rather than a coating, they provide the heat resistance necessary to prevent the bit from softening during high-friction tasks. For general wood, plastic, or soft aluminum work, standard HSS is more than sufficient and significantly more cost-effective.
Point Geometry and Flute Design
The geometry of the drill tip determines how the bit enters the material and how efficiently it clears debris. For uncoated bits, the point angle is a primary decision factor. A standard 118-degree point angle is the industry baseline, ideal for general-purpose drilling in softer materials like mild steel, wood, and plastics. If your application requires more precision or involves harder metals, look for a 135-degree split point. The split point is particularly advantageous for uncoated bits because it reduces 'walking' (the tendency of the bit to wander across the surface before biting) and requires less thrust force to penetrate the material. Additionally, examine the flute design. Deep, widely spaced flutes are essential for clearing large amounts of chips in softer materials, whereas tighter flutes may provide better stability in precision applications.
Edge Sharpness and Surface Finish
Because uncoated bits rely entirely on the physical edge for cutting, the manufacturing process of the cutting edge is paramount. High-end jobber bits undergo precision grinding that results in a polished flute surface. A polished flute is not just for aesthetics. It reduces friction between the chip and the bit, allowing for smoother chip evacuation and preventing the bit from 'clogging'—a common failure point when drilling through gummy materials like aluminum or soft copper. When inspecting bits, look for clean, crisp edges without micro-chipping along the cutting margin. A well-ground edge will ensure that the heat generated is a byproduct of the cutting action rather than the result of the bit rubbing against the workpiece.
Application-Specific Logic
To make the final decision, categorize your primary use case. If you are a generalist working with a variety of soft materials, a bulk set of 118-degree HSS jobber bits provides the best value. If you are frequently working with stainless steel or harder alloys without the benefit of a coating, prioritize Cobalt-grade bits with a 135-degree split point to handle the thermal load. Avoid using standard uncoated HSS bits for high-speed, high-heat applications where a TiN (Titanium Nitride) or similar coating would typically be used, as the lack of a thermal barrier will lead to rapid dulling and potential tool breakage.
Frequently Asked Questions
Quick answers about Uncoated Jobber Drill Bits before you buy.
Our Analysis of Uncoated Jobber Drill Bits
Top 10 Uncoated Jobber Drill Bits Brands on Amazon
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What Our Analysis Found
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