With so many great Best Carbide Drill Bits For Hardened Steel to pick from, like those from brands such as Crosstar,HOYUSK,Bestwork,Bosch,MACXCOIP,Sinyeenglon, it can be tricky for customers to decide what to buy. But after extensive research, we’ve discovered the stand-out Best Carbide Drill Bits For Hardened Steel currently on the market.
Our team rigorously tested numerous products available to consumers. The one that stands at the top of our list is Crosstar Best Carbide Drill Bits For Hardened Steel, thanks to its impressive performance and features. Below you’ll find more of our top-rated picks, along with insightful analysis from our seasoned experts. Check out their thoughts before making your purchasing choice. With this guide backing your decision, you’re sure to end up with a Best Carbide Drill Bits For Hardened Steel you’ll love.
Editor's Choice
Sinyeenglon Cobalt Drill Bit Set for Hardened Metal and Stainless Steel, 99Pcs M35 High Speed Steel
Premium Pick
Drill Bit Set 4 Pcs Solid Carbide Drill Bits, 1/8" 1/4" 1/16" 3/16" Tungsten Carbide Drill Bits,
Budget Pick
Bestwork 3-Flute Cobalt Drill Bit Set, M35 Metal Drill Bits for Metal and Steel, Oxynitride Coated,
Top 10 Best Carbide Drill Bits For Hardened Steel
We researched and compared the top products in the Best Carbide Drill Bits For Hardened Steel category to provide you with these recommendations.
1. Crosstar M35 Cobalt Drill Bit Set for Hardened Metal & Stainless Steel - 21pcs Titanium Aluminum
- Engineered for Hardened Metals with M35 Cobalt Steel Crafted from premium M35 cobalt high-speed steel (5% cobalt), these bits are specifically designed to tackle the tough materials, including stainless steel, hardened cast iron, high-carbon steel, and titanium alloys, with effective drilling hardness up to 60 HRC.
- TiAlN Coating for Extreme Heat Resistance & Extended Life The Titanium Aluminum Nitride (TiAlN) nano-coating withstands cutting temperatures up to 1472F (800C), drastically reducing heat buildup and friction. This results in a significantly longer tool life compared to standard titanium nitride or oxide coatings.
- Triple-Flute Design: Smother Finish, Faster Drilling, Pinpoint Accuracy The innovative three-flute geometry provides three key advantages over conventional two-flute bits: superior hole roundness and wall finish, approximately 40% improved chip ejection for cooler operation, and enhanced drilling accuracy with reduced bit walk. For optimal performance, recommended for standard depth of cut applications.
- Three-Flat Shank for Maximum Grip & Zero Slip The precision-machined three-flat shank ensures a complete lock in the drill chuck, eliminating spin-out even under high-torque conditions from impact drivers and heavy-duty drills. This guarantees full power transfer and safer operation.
- Comprehensive 21-Piece Professional Set This ready-to-use set includes 21 essential sizes from fine 1/16" to heavy-duty 1/2", covering over 90% of common metal drilling tasks. *Note: Bits 1/16" through 7/64" feature a precision two-flute design for delicate work, while sizes 3/32" and up utilize the performance triple-flute design.*
2. Drill Bit Set 4 Pcs Solid Carbide Drill Bits, 1/8" 1/4" 1/16" 3/16" Tungsten Carbide Drill Bits,
- Precision Size: HOYUSK drill bit set including 1/8", 1/16", 3/16" and 1/4 inch drill bits, ideal for detailed and precise drilling tasks. These small drill bits are perfect for fitting into tight spaces. Whether you need a metal drill bit set for steel or drill bits for hardened steel, our drill bits sets offer the precision and versatility you require
- Ultrafine Tungsten Steel for Strength and Efficiency: Crafted from 0.6um micro-particle cemented carbide, HOYUSKs carbide drill bits provide unmatched wear resistance and strength. As an exclusive drill bit for high hardness and high-speed cutting applications, it significantly improves work efficiency. The metal drill bits for steel are engineered to handle tough materials with ease, ensuring long-lasting performance
- Sharp Spiral Flutes for Smooth and Fast Cuts: The sharp spiral flutes on our metal drill bits ensure neat and smooth cuts with high cutting edge strength and fast cutting speeds. The spiral groove design facilitates smooth chip removal, with large chip removal space and small chip removal force, reducing drilling heat and pollution. Our drill bits for metal offer a seamless drilling experience, making them ideal for a variety of materials
- Versatile Use Across Multiple Industries: HOYUSKs tungsten carbide drill bits excel in drilling copper and aluminum alloys. They also handle cast iron, stainless steel, and mold steel with precision. Ideal for maintenance departments, machine shops, and other industries, this drill bit for metal provide reliable performance and durability. Whether you're working on a specific project or need a versatile drill bit set, HOYUSK has the perfect solution
- Stable Clamping Design for Precision and Smoothness: The clamping stable round shank design of HOYUSK drill bits ensures stability during operation, preventing shaking and slipping. This design provides tight clamping for precise drilling. The sharp flutes on our metal drill bit offer quick, smooth, and neat cuts with no burrs, thanks to our advanced technology that reduces cutting force and drill breakage rate. Our drill bits for steel are engineered for hole wall quality and overall performance
- Tips: Due to the exceptional hardness of tungsten carbide, these drill bits require high-precision machining environments. Low-precision tools like handheld drills or poorly calibrated bench drills are not recommended, as misalignment or vibration may cause breakage
3. Bestwork 3-Flute Cobalt Drill Bit Set, M35 Metal Drill Bits for Metal and Steel, Oxynitride Coated,
- 3-Flute Design: The special 3-flute design enables the drill holes to have higher roundness, smoother walls, better chip removal, and heat dissipation
- Multiple Useful Sizes: Includes 3-Flute Sizes: 3/16" x 1, 7/32" x 1, 1/4" x 1, 5/16" x 1, 3/8" x 1; 2-Flute Sizes: 1/16" x 2, 5/64" x 2, 3/32" x 2, 7/64" x 2, 1/8" x 2, 9/64" x 1, 5/32" x 1
- M35 Cobalt High-Speed Steel: Made from industrial-grade M35 high-speed steel with 5% Cobalt for enhanced durability with better hardness and wear resistance
- Blue Oxynitride Coated: Enhanced resistance to corrosion with extreme durability and performance to extended lifespan
- 3-Flats Shank: Prevent the shank from spinning in the chuck for a secure grip
- 135 Degree Split Point Tip: Offers precise and faster drilling performance with less walking
- Wide Application: Ideal for drilling through hard metals, such as hardened stainless steel, cast iron, aluminum alloys, and more
4. BOSCH CO14B 14-Piece Assorted Set with Included Case - Cobalt M42 Metal Drill Bits with Three-Flat
- Cobalt M42 drill bit provides upgraded M42 Cobalt jobber-length bits designed for durability, high heat resistance and Hardened surface for stainless steel, cast iron, titanium, light-gauge metal and aluminum
- Enhanced M42 alloy material contains 8% Cobalt alloy that delivers 10x life vs. Standard bits
- High-heat resistant bits withstand high-temperature applications for extended periods of time
- Thick web-helix design provides additional stability in tough applications
- Surface-hardened tip penetrates tough abrasive materials
- Includes 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16", 3/8", 1/2"
5. MACXCOIP Cobalt Drill Bit Set, 13Pcs M35 High Speed Steel Jobber Length Drill Bit Kit for Hardened
- Various Sizes: 13 sets of drill bits include 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", can meet more needs
- M35 Cobalt Drill Bit: The M35 cobalt drill bit is a durable, sharp and robust drill bit suitable for cutting stainless steel, iron castings, copper, aluminum and other soft metals as well as plastics, wood etc
- Quick and Efficient: The cobalt drill bit set can be used effectively on most soft and hard objects, with a 135 degree point tip and twist design for faster cutting, self-centering to prevent walk-off and faster chip and particle removal
- HSS Drill Bit Set: HSS cobalt drill bit set for hardened steel with excellent cutting performance. 13 sets of drill bits for long term use. The inserts are hardened and polished for improved sharpness and precise cutting without wobbling
- Easy Storage: The drill set includes a drill case with size indexes and is packaged in a small package for easy storage and sorting. If you have any questions, please refer to us and we will be happy to help you
6. Sinyeenglon Cobalt Drill Bit Set for Hardened Metal and Stainless Steel, 99Pcs M35 High Speed Steel
- Cobalt M35 Material: High cost, but hardness is up to 67, cut faster and has a long life, up to 12 times compared with the average HSS titanium coated bit
- Hardened Full Grinding Process: Increases wear resistance, sharp and durable, used for stainless steel, cast iron, zinc alloy, titanium, aluminum and hard metal
- Packaging: Hard and thick plastic box, drills bagged for compartmentalized storage, reasonable design, well secured package
- Convenient Access: Various sizes are placed in different compartments of the plastic box, and the corresponding sizes of different drills are printed on the bottom of the lid, making it very convenient to access
- Various Sizes: 16Pcs 1/16 in, 16Pcs 5/64 in, 15Pcs 3/32 in, 10Pcs 7/64 in, 10Pcs 1/8 in, 8Pcs 9/64 in, 8Pcs 5/32 in, 3Pcs 11/64 in, 3Pcs 3/16 in, 2Pcs 13/64 in, 2Pcs 7/32 in, 2Pcs 1/4 in, 2Pcs 5/16 in, and 2Pcs 3/8 in
- Use Notices: Drill bit should be vertical to the workpiece when used; controling low speed from 200 to 1000 rpm; using cutting fluid will stay cool to make the bit last longer
7. NordWolf 5-Piece M35 Cobalt Stubby Drill Bit Set for Stainless Steel & Hard Metals, with 1/4" Hex
- High QualityM35 Cobalt steel precision ground drill bits for extra durability and long lifetime
- Efficient DesignStubby drill bits measure from 1.84 to 2.32-inch only, allowing access to hard-to-reach and tight spaces. 135 split point multi-blades drill tip for perfect self-centering and fast drilling
- Multi-Purpose UseSuitable for drilling stainless steel and various hardened metals such as cast iron, titanium, bronze, aluminium, etc. All drill bits come with one piece 1/4-inch hex shank compatible with standard and quick change chucks and drivers
- Popular SizesIncludes imperial sizes: 3/32", 1/8", 3/16", 1/4", 5/16"
- Unique PackagingPacked in special plastic box for easy storage, imprinted with drill bit sizes for easy identification. Sliding clip on backside of box for hanging on pegboards
8. DEWALT Titanium Nitride Coated Drill Bit Set, Pilot Point, 21-Piece (DW1361)
- Titanium Nitride Coating Pilot Point for Longer Life
- Starts on contact for cleaner holes
- No spin shanks
- Tapered web provides greater durability to reduce breaking
- Includes sizes from 1/16-inch to 1/2-inch in a plastic tough case
- Includes: 1/16' x 2, 5/64' x 2, 3/32' x 2, 7/64' x 2, 1/8' x 2, 9/64' x 1, 5/32' x 1, 11/64' x 1, 3/16' x 1, 13/64' x 1, 7/32' x 1, 15/64' x 1, 1/4 x 1, 5/16' x 1, 3/8' x 1, 1/2' x 1
9. toolant Cobalt Drill Bit Set for Metal and Steel (Pro), Titanium Aluminum Nitride Coated (TiAlN)
- toolant Cobalt Drill Bit Set Pro - A metal drill bit set for steel and metal. Consisting of 21 titanium aluminum nitride coated cobalt drill bits with bullet point tips, offers exceptional performance specifically for drilling through metal.
- 21-piece Cobalt Drill Bits Set - Includes metal drill bits: 1/16"(*2), 5/64"(*2), 3/32"(*2), 7/64"(*2), 1/8"(*2), 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4", 5/16", 3/8", 1/2".
- Titanium Aluminum Nitride Coating - Increases surface hardness to 89HRC with outstanding heat-resistance, so your drill bit cuts fast and stay sharp.
- Specifically Crafted Bullet Point - Sharp and self-centering tip minimize wandering and provides precise and accurate drilling. TOOLANT Pro 21-pack is meticulously engineered to excel in demanding heavy-duty scenarios.
- 90 Days Warranty - In the event that you are not completely satisfied with your purchase for any reason, please reach out to us, and we will gladly provide a 100% refund or replacement.
10. 1/8" Solid Carbide Jobber Drill Bits with Straight Shank and 118° Point Angle, Made from Tungsten
- Size:0.125" Drill Diameter; 0.98" Flute Length; 1.69" Overall Length; 118 Point Angle
- Carbide solid bits have better rigidity and longevity than high speed steel bits.
- Suitable for stainless steel, alloy steel, carbon steel, die steel, tool steel, copper, hard plastic and other materials. Widely used in maintenance department, machine shop and other industries.
- Without any additional coating, it is suitable for a wide range of applications.
- The sharp flutes provides quick, smooth, neat cuts with no burrs.
Peter
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