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Popular Cobalt Drill Bits For Hardened Steel on Amazon
Details on the Best Cobalt Drill Bits For Hardened Steel
Bestseller No. 1
BOSCH CO14B 14-Piece Assorted Set with Included Case - Cobalt M42 Metal Drill Bits with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, and Light-Gauge Metal
- 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
On Sale!Bestseller No. 2
DEWALT Cobalt Alloy Steel 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
$50.90
−$21.91
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Bestseller No. 3
COMOWARE Cobalt Drill Bit Set- 15Pcs M35 High Speed Steel Twist Jobber Length for Hardened Metal, Stainless Steel, Cast Iron and Wood Plastic with Indexed Storage Case, 1/16"-3/8"
- 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 particles faster.Produced by precision fully ground which ensures chips move smoothly.
- PROFESSIONAL & WIDELY USE: M35 Cobalt HSS is more suitable for hardened material. Particularly successful in cutting through hard metals such as stainless steel, cast iron, high temperature alloy, titanium alloy, hard plastics and woods, and also can be used for softer materials.
- 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 ,9/64" 1pc, 5/32" 1pc, 3/16" 1pc, 7/32" 1pc, 1/4" 1pc, 5/16" 1pc, 3/8" 1pc.
- 100% SATISFACTION GUARANTEE: If you are not 100% satisfied with your purchase for any reason whatsoever simply please feel free to contact us.
On Sale!Bestseller No. 4
MACXCOIP Cobalt Drill Bit Set, 13Pcs M35 High Speed Steel Jobber Length Drill Bit Kit for Hardened Metal, Stainless Steel, Cast Iron, Wood and Plastic, with Index Storage Case, 1/16"-1/4"
- 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
$11.98
−$2.00
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Bestseller No. 5
Drill America - DWD29J-CO-PC 29 Piece M35 Cobalt Drill Bit Set in Round Case (1/16" - 1/2" X 64ths), DWDCO Series
- Set of 29 jobber length drill bits includes inch sizes 1/16" to 1/2" in 1/64" increments
- Cobalt steel provides extended tool life compared to high-speed steel drill bits when drilling hard materials
- Gold oxide finish lubricates the drill bit and provides wear resistance
- Self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging
- Meets ANSI specifications
Newest Cobalt Drill Bits For Hardened Steel
New
1/8-Inch Cobalt Steel M35 Twist Bits Set for Metal, Drill Bit Sets for Hard Stainless, Cast Iron, Wood & Plastic, Cobalt-containing High Speed Steel, Working Length is 1-3/10 Inch, Pack of 12
- Prefect Size: This drill has a 1/8" cutting diameter, 1-3/10" flute length (working length), 2-2/5" overall length, and a 135-degree flute angle.
- M35 Cobalt HSS: This industrial grade M35 high speed steel drill bit set is made of high quality cobalt-containing high speed steel. The high red hardness of cobalt steel significantly improves its heat resistance. This drill bit is suitable for most electric drills currently on the market.
- Fully Ground Drill Body: Fully ground parabola, enhances chip removal performance, reduces friction and heat, and enhances drill wear resistance and stability. 135-degree forked drill tip design improves cutting efficiency and reduces the risk of wear and breakage.
- Multiple Uses: This M35 cobalt drill bit set is suitable for a variety of industrial applications as well as home DIY, and is compatible with most standard drill bits. It is ideal for cutting hard metals such as stainless steel, steel, sheet metal, and cast iron, as well as plastics, aluminum alloys, wood, and other softer metals.
- Maintenance: In order to extend the service life of the M35 cobalt drill bit, it is recommended to use coolant appropriately during the drilling process to reduce the cutting temperature. Pay attention to speed, pressure and heat control when drilling.
New
1/8" Drill Bit for Metal, Industrial Level M35 Cobalt Titanium Aluminum Nitrite, for Hardened Stainless Steel, Cast Iron, Wood, Aluminum, 1/8" Diameter, Working 1-3/10", Total Length 2-2/5", 3 Pcs
- Perfect Size: The drill has a 1/8-inch diameter, a 1-3/10-inch working length, and a 2-2/5-inch overall length. The shank is rounded and can be easily attached to most models of drills or hammers.
- High-Quality Product: This drill bit is made of high-quality high-speed steel, with stable performance, sharp and durable.
- Applicable Materials: The blade is sharp and can quickly drill into metals, including steel, cast iron, copper, aluminum alloy, wood, plastic and other hard metals. Not suitable for glass or ceramic materials.
- Cutter Head Design: Spiral groove design effectively improves chip removal performance and makes drilling faster.
- Compatible Models: This specification drill bit is suitable for hand drill, impact drill, bench drill, magnetic drill and drilling machine.
New
Cobalt Drill Bit Set, Drill Bits with 135 Degree Split Point Tip 1.0-5.0MM M35 HSS CO Set Jobber Metal Metal for Drilling on Stainless Steel (5mm)
- 【Versatile Application】Ideal for a variety of materials, the metal drill bits excel at drilling through stainless steel, cast iron, and sheet metal. This versatility makes them essential for both professional and DIY projects.
- 【Premium Material】The cobalt drill bit set are made from high-performance M35 steel, which contains 5% cobalt for enhanced hardness and durability. This ensures these drill bits withstand drilling applications without compromising performance.
- 【Sturdy Performance】With high surface finish and grinding precision, the brocas para metal maintains sharpness for longer periods. Even after resharpening, they retain their cutting life, making them a cost-effective choice for repetitive tasks.
- 【Extensive Range】The carbide drill bits comes in sizes ranging from 1.0mm to 5.0mm, catering to various drilling needs. This comprehensive range ensures you have the right tool for every job, enhancing your project’s versatility.
- 【Precision Design】Featuring a 135-degree split-point tip, the drill bits start drilling instantly with minimal force. This design minimizes walking and allows for accurate drilling, making your work more efficient and precise.
New
Mandouer 5/16" Metric Cobalt Drill Bits, M35 HSS Metal Drill Bit Set for Hardened Steel, Cast Iron, Wood and Plastic, 135 Degree Split Point, 2 Pcs
- Enhanced M35 Alloy Material：Industry grade M35 carbide drill bits, these bits contain 5% cobalt, cut faster than ordinary bits, have higher hardness, better heat and wear resistance.
- Professional Impact Drill Bits：Tip precision 135° self-centring design prevents twist drill bits slippage for efficient drilling and faster removal of chips and particles. Roll forged and manufactured to DIN338 standard.
- Sharp Drill Bit Edge: Precision ground stainless steel drill bits for fast drilling results with low contact force without pre-punching or pre-drilling. Perfect suitable for drilling in hard metals such as stainless steel and cast iron, and other softer material are also possible.
- Long-life Titanium Drill Bit Set: The titanium coating on the surface allows for better lubricant application, reducing friction and adhesion to improve wear resistance and sharpness, resulting in smoother drilling and stronger corrosion resistance.
- Twist Drill Bits Sizes: Cutting edge diameter: 5/16" (8mm); Cutting edge length: 2.95" (75mm); Overall length: 4.6" (117mm). Used with hand drills, drill presses, bench drills, machining centers, CNC lathes, etc.
New
Mandouer 7/16" Metric Cobalt Drill Bits, M42 HSS Metal Drill Bit Set for Hardened Steel, Cast Iron, Wood and Plastic, 135 Degree Split Point, 1 Pcs
- Enhanced M42 Alloy Material：Industry grade M42 carbide drill bits, much harder than HSS used in other similar drill bits set. These drill bits contain 8% Cobalt, which increases wear-resistance and durability.
- Professional Impact Drill Bits：Tip precision 135° self-centring design prevents twist drill bits slippage for efficient drilling and faster removal of chips and particles. Roll forged and manufactured to DIN338 standard.
- Sharp Drill Bit Edge: Precision ground stainless steel drill bits for fast drilling results with low contact force without pre-punching or pre-drilling. Perfect suitable for drilling in hard metals such as stainless steel and cast iron, and other softer material are also possible.
- Long-life Titanium Drill Bit Set: The titanium coating on the surface allows for better lubricant application, reducing friction and adhesion to improve wear resistance and sharpness, resulting in smoother drilling and stronger corrosion resistance.
- Twist Drill Bits Sizes: Cutting edge diameter: 7/16" (11mm); Cutting edge length: 3.7" (93mm); Overall length: 5.59" (142mm). Used with hand drills, drill presses, bench drills, machining centers, CNC lathes, etc.