We examined thousands reviews, and put together a list of the best sellers. Check out the top Drill Bit for Hardened Steel below.
No. 1
Bosch CO14B 14 Pc. Cobalt M42 Drill Bit Set
- Cobalt M42 drill bit – provides upgraded M42 Cobalt jobber-length bits designed for durability, high heat resistance and Hardened surface...
- 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
SaleNo. 2
DEWALT Cobalt Drill Bit Set with Pilot Point, 14-Piece (DWA1240)
- Connectable accessory storage system to optimize storage space of drill bits for wood, metal or i-beams
- Patented bit-bar design allows easy removal of drill bits and customizable placement
- DEWALT drill bit set comes with clear lid allowing you to easily see contents at glance
- Clip latch for secure closing
- Small Bulk Storage size fits inside the Small and Medium ToughCase+ (sold separately) - Ideal for organizing loose bits
No. 3
COMOWARE Cobalt Drill Bit Set- 15Pcs M35 High Speed Steel Twist Jobber Length for Hardened Metal, Stainless Steel, Cast...
- HIGH QUALITY MATERIAL: 5% Cobalt High Speed Steel M35 provide extended tool life compared to ordinary drill bits. Durable and strong
- TWIST DESIGN & PERFORMANCE: PRECISE 135°SPLIT POINT, gold oxide finish and round straight shanks. Prevent walking, clear chips and...
- PROFESSIONAL & WIDELY USE: M35 Cobalt HSS is more suitable for hardened material. Particularly successful in cutting through hard metals...
- SIZE INCLUDED: 15pcs jobber length drill bit set with plastic storage case including sizes:1/16" 2pc,5/64" 1pc ,3/32" 2pc,7/64" 1pc,1/8" 2pc...
- 100% SATISFACTION GUARANTEE: If you are not 100% satisfied with your purchase for any reason whatsoever simply please feel free to contact...
No. 4
XLCMSY Cobalt Drill Bit Set, M35 HSS Straight Shank Twist Drill Heat Resistant Metal Drill Bits for Hard Metal,...
- 【Heat Resistant】 This straight shank twist drill set is made of 5% cobalt high speed steel, adding molybdenum and cobalt to form a...
- 【Safe & Eco-friendly】 High speed steel with 5% cobalt, durable, safe and eco-friendly, providing longer tool life and reducing...
- 【Lightweight & Durable】 Designed with a 135 degree split point, these drill bits are very lightweight, eliminating the need for a center...
- 【Multiple Sizes & Widely Used】 The metal drill bits set for steel are available 13 sizes to meet your different needs, drill bit sizes...
- 【Practical Design】 The metal drill bits kit features a straight shank design that makes it easier to fix and precisely machine, saving...
No. 5
IRWIN Drill Bit Set, M35 Cobalt Steel, 29-Piece (3018002)
- 29 Piece
- Cobalt Drill Bit Set
- Sizes 1/16 inch -1/2 inch in 1/64 inch increments, 135 Degree Split Point To Minimize Walk
- 5% Cobalt For Higher Heat & Abrasion Resistance
- Heavy Duty Web Construction For Strength & Durability
No. 6
Lichamp 21PCS HSS Cobalt Drill Bits Set 1/16" to 3/8" with Three Flute for Hard Metal, Hardened Stainless Steel and Cast...
- UNIQUE 3X FLUTE DESIGN - Lichamp three flute patent design drill bit clears chips and particles faster, provide you with more efficient...
- 4X LIFESPAN MATERIAL - Made from industrial grade M35 high-speed steel with 5% cobalt provides hardness for wear resistance, withstands max...
- MULTIPLE APPLICATION - Ideal for drilling in heavy-duty tough metal, including hard abrasive alloy metal, hardened stainless steel or cast...
- SMOOTHLY DRILLING - 135-degree split point tip & twist design increases cutting speed with self-centering and prevents skating starts or...
- 21PCS DRILL BIT SET - Metal index case with size chart for easy bit access and identification. Includes drill bit sizes 1/16-inch to...
No. 7
2/Pack Solid Carbide Drill Bit 3/32 inch for Hardened Steel
- ★【Premium Bright Finish 2/Pack】 multi-purpose solid carbide drill bits provide better rigidity than high speed steel bits. It is...
- ★【Recommended For Use On】 aircraft metals chrome titanium inconel stainless steel Alloys Steel Low-Medium-High Carbon Steel Aluminum...
- ★【Optimal Design for Metal Work】 118° four facet point angle minimizes drill wander and assures accurately sized holes. Our jobber...
- ★【Specs】 Tungsten Carbide Grade (ISO): K20 / Binder: %8 Cobalt / Hardness: 91.3 HRa / Uncoated / Flute Length: 1 inch, Overall Length:...
- ★【IMPORTANT, PLEASE READ BEFORE BUYING】 tungsten carbide or cemented carbide is a composite material, although it looks like a metal,...
No. 8
POWERTEC QDB2011 Cobalt Drill Bit 3/8-Inch | 135 Degree Drill Bit Set - 4 Pack
- INCLUDES: 3/8-Inch Cobalt Jobber Drill Bit Set (4 piece)
- APPLICATION(S): Cobalt drill bit for metal, stainless steel, nickel alloy, cast iron and softer material
- PREMIUM QUALITY: These M35 cobalt drill bits are made with the finest high speed steel ideal for high abrasive, optimal heat treatment, and...
- SELF CENTERING: 135 degree split point drill bits penetrate quicker with less pressure needed – minimizing bit walking (wandering) while...
- HIGH UTILITY: Excels in metalworking applications when drilling in high-tensile strength materials, tip can be sharpened to ensure...