22 Best Cobalt Steel Drill Bits in 2020

 

Ginode 15Pcs Metric M35 Cobalt Steel Drill Set Heat Resistant Twist Drill Bits with Straight Shank 15-10MM Steel Pounch Split Point Drilling For Metal Steel with 1Pc Automatic Center Punch #ad

Ginode 15Pcs Metric M35 Cobalt Steel Drill Set Heat Resistant Twist Drill Bits with Straight Shank 1.5-10MM Steel Pounch Split Point Drilling For Metal Steel with 1Pc Automatic Center Punch

Ginode 15Pcs Metric M35 Cobalt Steel Drill Set Heat Resistant Twist Drill Bits with Straight Shank 1.5-10MM Steel Pounch Split Point Drilling For Metal Steel with 1Pc Automatic Center Punch #ad - ▲15pcs hss drill set, straight shank & twisted drills, chisel edge reduces drilling resistance. ▲Package includes 15x cobalt steel drill bits, 1x automatic center punch. ▲1pc automatic center punch, brass body has a deeply knurled surface for nonslip control. ▲Marks workpiece with a dimple, creating a starting point that prevents screws and drills from wandering. ▲designed for heavy duty use in all metals, including hard metals.

 

Irwin 716 in x 5-12 in L Cobalt Steel Drill Bit 1 pc #ad

Irwin 7/16 in. x 5-1/2 in. L Cobalt Steel Drill Bit 1 pc.

Irwin 7/16 in. x 5-1/2 in. L Cobalt Steel Drill Bit 1 pc. #ad - Product type drill bit number in package 1 pc. Flute length 4-1/16 in. Material cobalt steel overall length 5-1/2 in. Item description drill size 7/16 in. Shank type straight shank packaging type carded usage hardened steel.

 

ATD Tools 9260 13 Piece Cobalt Steel Drill Bit Set #ad

ATD Tools 9260 13 Piece Cobalt Steel Drill Bit Set

ATD Tools 9260 13 Piece Cobalt Steel Drill Bit Set #ad - The atd-9260 offers the best heat resistance for drilling in extremely hard and abrasive materials including stainless steel, titanium & cast iron. The set includes 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″.

 

Precision Twist C29R10CO Cobalt Steel Jobber Length Drill Bit Set with Plastic Case Bronze Oxide Finish 135 Degree Split Point Inch 29 Piece 116 to 12 x 64ths #ad

Precision Twist C29R10CO Cobalt Steel Jobber Length Drill Bit Set with Plastic Case, Bronze Oxide Finish, 135 Degree Split Point, Inch, 29 Piece, 1/16″ to 1/2″ x 64ths

Precision Twist C29R10CO Cobalt Steel Jobber Length Drill Bit Set with Plastic Case, Bronze Oxide Finish, 135 Degree Split Point, Inch, 29 Piece, 1/16″ to 1/2″ x 64ths #ad - Bronze oxide finish lubricates and provides wear resistance on ferrous materials. Cobalt steel provides extended tool life compared to high-speed steel drill bits when drilling hard materials. Drill bits conform to ansi standards and nas 907 type j. Self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging. Set of 29 jobber length drill bits includes inch sizes 1/16″ through 1/2″ in 1/64″ increments.

 

Irwin 532 in Dia x 3-18 in L Cobalt Steel Drill Bit 1 pc #ad

Irwin 5/32 in. Dia. x 3-1/8 in. L Cobalt Steel Drill Bit 1 pc.

Irwin 5/32 in. Dia. x 3-1/8 in. L Cobalt Steel Drill Bit 1 pc. #ad - Irwin cobalt high speed drill bit m-42 cobalt high speed steel for super abrasive resistance in tough metals 135 degree split point reduces feed pressure for easier penetration bulk 5/32 d price is indicated for bulk discounted quantity of 5 unit(s) per case.

 

Chicago Latrobe 2550 Series Cobalt Steel Jobber Length Drill Bit Set With Metal Case TiN Coated 135 Degree Split Point Inch 13-piece 116 - 14 in 164 increments #ad

Chicago Latrobe 2550 Series Cobalt Steel Jobber Length Drill Bit Set With Metal Case, TiN Coated, 135 Degree Split Point, Inch, 13-piece, 1/16″ – 1/4″ in 1/64″ increments

Chicago Latrobe 2550 Series Cobalt Steel Jobber Length Drill Bit Set With Metal Case, TiN Coated, 135 Degree Split Point, Inch, 13-piece, 1/16″ – 1/4″ in 1/64″ increments #ad - Set of 13 jobber length drill bits includes inch sizes 1/16″ through 1/4″ in 1/64″ increments. Cobalt steel provides extended tool life compared to high-speed steel drill bits when drilling hard materials. Titanium nitride (tin) coating offers high hardness for increased tool performance and extended tool life compared to an uncoated drill bit on ferrous and nonmetallic materials. Made in the usa. Self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging. Extra thick web for increased strength and rigidity compared to standard drill bits.

 

Hymnorq 14 Inch Fractional Size M35 Cobalt Steel Twist Drill Bit Set of 10pcs Jobber Length and Straight Shank Extremely Heat Resistant Suitable for Drilling in Stainless Steel and Iron #ad

Hymnorq 1/4 Inch Fractional Size M35 Cobalt Steel Twist Drill Bit Set of 10pcs, Jobber Length and Straight Shank, Extremely Heat Resistant, Suitable for Drilling in Stainless Steel and Iron

Hymnorq 1/4 Inch Fractional Size M35 Cobalt Steel Twist Drill Bit Set of 10pcs, Jobber Length and Straight Shank, Extremely Heat Resistant, Suitable for Drilling in Stainless Steel and Iron #ad - Self centering, the 135°quick-cut pilot split points are self-centering and can penetrate quickly with less pressure the bits will not “walk” or “wander” straight shank allows for firmly holding and accurate centering, fit for standard drill chucks and regular round collet chucks. For metalworking, particularly successful in cutting through hard metals(hardness less than hrc38°) such as stainless steel and cast iron, although they can be used for softer materials like copper and aluminium, too not for hardened steel / high carbon steel try to adjust the rpm when it fails to penetrate. Cobalt steel, manufactured from m35 grade cobalt steel, with molybdenum and cobalt added to creates a hardened alloy, measuring rockwell hardness up to 67, for much faster cutting and extra longer life span, ideal for repeated drilling in metalworking. 10pc set, the set includes 10pcs of 1/4″ diameter m35 grade cobalt steel twist drill bits, packed in a plastic case for easy storage and carrying manufactured to german din338 standard. Downloadable user guide, we’ve summed up some tips of drilling metals, including a rpm chart for several common metals, based on our reviews and some articles on the internet in most cases, our customers would get a much better result with these tips welcome to download.

 

12-Pack 116 Cobalt Steel Drill Bits - Jobber Length #ad

(12-Pack) 1/16″ Cobalt Steel Drill Bits – Jobber Length

(12-Pack) 1/16″ Cobalt Steel Drill Bits – Jobber Length #ad - Type “j” gold oxide finish. For drilling in medium-alloyed steel, stainless steel, hardened stainless steel, and other heat-treated materials. Designed for drilling only working mode. Made from m42 cobalt high speed steel for excellent wear resistance on high-strength materials. 135° split point design for more rugged and efficient drilling.

 

IVY Classic 04019 1964-Inch Cobalt Steel Drill Bit 135-Degree Split Point 6-Pack #ad

IVY Classic 04019 19/64-Inch Cobalt Steel Drill Bit, 135-Degree Split Point, 6-Pack

IVY Classic 04019 19/64-Inch Cobalt Steel Drill Bit, 135-Degree Split Point, 6-Pack #ad - Jobber length drills designed for stainless steel, hard steel, wood and plastic, swift bore (registered trademark). Precision ground, gold-finished cobalt steel retains hardness at high temperatures. Diameter19/64-inch, overall length 4-3/8-inch. 135-degree split point for fast penetration and accurate self centering. Cobalt steel withstands abrasion and heat generated by hard-to-machine metals.

 

Drillco 1000EC Series Cobalt Steel Reduced-Shank Drill Bit Bronze Finish Round Shank with Flats Spiral Flute 135 Degree Split Point 1 Size #ad

Drillco 1000EC Series Cobalt Steel Reduced-Shank Drill Bit, Bronze Finish, Round Shank with Flats, Spiral Flute, 135 Degree Split Point, 1″ Size

Drillco 1000EC Series Cobalt Steel Reduced-Shank Drill Bit, Bronze Finish, Round Shank with Flats, Spiral Flute, 135 Degree Split Point, 1″ Size #ad - Reduced shank drill bit has a shank that is smaller in diameter than its shaft, permitting drilling with a 1/2″ drill chuck. Self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging. Cobalt steel provides extended tool life compared to high-speed steel drill bits when drilling hard materials. Bronze finish lubricates the drill bit and provides wear resistance. Designed for drilling tough, high-tensile strength materials.

 

Kawasaki 841642 1132-Inch Cobalt Steel Drill Bit #ad

Kawasaki 841642 11/32-Inch Cobalt Steel Drill Bit

Kawasaki 841642 11/32-Inch Cobalt Steel Drill Bit #ad - For use with power drills. Offically licensed by kawasaki. Ideal for drilling into hardened steel, alloys, titanium and stainless steel. Cobalt coating offers heat resistance for drilling in extremely hard materials. Tested for durability. Made using the highest quality standards.

 

Irwin 116 in Dia x 1-78 in L Cobalt Steel Drill Bit 1 pc #ad

Irwin 1/16 in. Dia. x 1-7/8 in. L Cobalt Steel Drill Bit 1 pc.

Irwin 1/16 in. Dia. x 1-7/8 in. L Cobalt Steel Drill Bit 1 pc. #ad - M42 cobalt steel. Irwin cobalt high speed drill bit 135 degree split point. Bulk 1/16 d.

 

Irwin 2364 in Dia x 4-78 in L Cobalt Steel Drill Bit 5 pc #ad

Irwin 23/64 in. Dia. x 4-7/8 in. L Cobalt Steel Drill Bit 5 pc.

Irwin 23/64 in. Dia. x 4-7/8 in. L Cobalt Steel Drill Bit 5 pc. #ad - Irwin cobalt high speed drill bit 135 degree split point m42 cobalt steel bulk 23/64 d.

 

Irwin Industrial Tool 3016014 Cobalt Steel Drill Bit 732-In - Quantity 3 #ad

Irwin Industrial Tool 3016014 Cobalt Steel Drill Bit, 7/32-In. – Quantity 3

Irwin Industrial Tool 3016014 Cobalt Steel Drill Bit, 7/32-In. – Quantity 3 #ad - 7/32″, cobalt bit, 135 degree split point to minimize walk, 8% cobalt for higher heat & abrasion resistance, heavy duty web construction for strength & durability, for tough metal drilling, including heavy duty abrasive, alloy metal drilling on hardened steel, cast iron & stainless steel, carded.

 

Irwin 1532 in Dia x 5-34 in L Cobalt Steel Drill Bit 5 pc #ad

Irwin 15/32 in. Dia. x 5-3/4 in. L Cobalt Steel Drill Bit 5 pc.

Irwin 15/32 in. Dia. x 5-3/4 in. L Cobalt Steel Drill Bit 5 pc. #ad - Irwin 15/32 in. L high speed steel drill bit straight shank 5 pc. Dia. X 5-3/4 in.

 

Michigan Drill 210C Series Heavy Duty Super Cobalt Steel Drill Bit 2 Morse Taper Shank Spiral Flute 135 Degrees Notched Point 716 Size Pack of 1 #ad

Michigan Drill 210C Series Heavy Duty Super Cobalt Steel Drill Bit, 2 Morse Taper Shank, Spiral Flute, 135 Degrees Notched Point, 7/16″ Size (Pack of 1)

Michigan Drill 210C Series Heavy Duty Super Cobalt Steel Drill Bit, 2 Morse Taper Shank, Spiral Flute, 135 Degrees Notched Point, 7/16″ Size (Pack of 1) #ad - When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging. 7/16-inches size. 135 degrees split/notched point. Morse taper shank allows the tool to be inserted directly into the machine’s spindle to facilitate high-torque applications such as large cut diameters. 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.

 

Irwin 3016028 Cobalt Steel Drill Bit 716-In - Quantity 3 #ad

Irwin 3016028 Cobalt Steel Drill Bit, 7/16-In. – Quantity 3

Irwin 3016028 Cobalt Steel Drill Bit, 7/16-In. – Quantity 3 #ad - 7/16″, cobalt drill bit, with 3/8″ reduced shank to fit in all 3/8″ drills, 135 degree split point to minimize walk, 8% cobalt for higher heat and abrasion resistance, heavy duty web construction for strength and durability, for tough metal drilling, including heavy duty abrasive, alloy metal drilling on hardened steel, cast iron and stainless steel, carded.

 

Sipery 10Pcs M35 Cobalt HSS Twist Drill Bits 3mm with Straight Shank Drilling for Stainless Steel Copper Aluminum Alloy and Softer Materials #ad

Sipery 10Pcs M35 Cobalt HSS Twist Drill Bits 3mm with Straight Shank, Drilling for Stainless Steel, Copper, Aluminum Alloy and Softer Materials

Sipery 10Pcs M35 Cobalt HSS Twist Drill Bits 3mm with Straight Shank, Drilling for Stainless Steel, Copper, Aluminum Alloy and Softer Materials #ad - Durable, hss cobalt drill bit provide strong durable performance compared to typical hss drill bits. Easy to carry, the twist drill bits are housed in plastic case for easy storage, easy to carry out homework. Multi-purpose use, hss drill bits are successful in cutting hard metals such as stainless steel, copper, aluminum alloy, and also can be used for softer materials. Material, hss cobalt high speed steel for super abrasive resistance in tough metals, improve much higher heat resistance because of cobalt steel’s high red hardness. Specification, 10pcs 3mm cobalt drill bits, each kit contains a total of ten drill bits in the same size, blade length 33mm/13inch, 118 degree point, straight shank.

 

Irwin 716 in x 5-12 in L Cobalt Steel Drill Bit 1 pc #ad

Irwin 7/16 in. x 5-1/2 in. L Cobalt Steel Drill Bit 1 pc.

Irwin 7/16 in. x 5-1/2 in. L Cobalt Steel Drill Bit 1 pc. #ad - 135 deg split point reduces feed pressure for easier penetration without work hardening. Heavy duty spiral flute design produces faster chip ejection. Constructed of m-35 5 percent cobalt high speed steel for super abrasive resistance in tough metals. Shorter cutting lips reduce torque for drilling in high tensile strength materials.

 

Kawasaki 841636 Cobalt Steel Drill Bit 1164 #ad

Kawasaki 841636 Cobalt Steel Drill Bit, 11/64″

Kawasaki 841636 Cobalt Steel Drill Bit, 11/64″ #ad - Kawasaki tools by alltrade tools llc is a global leader in the design, manufacturing and marketing of tools and shop equipment. The company’s mission statement alltrade designs, markets and supplies tools and shop equipment that meet and exceed our customers’ expectations of quality, service and value, while achieving profits to ensure the company’s and its employees’ future growth and development. Alltrade offers our customers innovation, flexibility and speed to market. Founded in 1979, the long beach, california based firm is privately held, with global manufacturing and sales facilities serving customers on every continent.

 

Irwin Industrial Tool 3016009 Cobalt Steel Drill Bit 964-In - Quantity 3 #ad

Irwin Industrial Tool 3016009 Cobalt Steel Drill Bit, 9/64-In. – Quantity 3

Irwin Industrial Tool 3016009 Cobalt Steel Drill Bit, 9/64-In. – Quantity 3 #ad - Made using the highest quality standards. Sold on amazon. Tested for durability.

 

IVY Classic 04106 332-Inch Cobalt Steel Drill Bit 135-Degree Split Point 1Card #ad

IVY Classic 04106 3/32-Inch Cobalt Steel Drill Bit, 135-Degree Split Point, 1/Card

IVY Classic 04106 3/32-Inch Cobalt Steel Drill Bit, 135-Degree Split Point, 1/Card #ad - Precision ground, gold-finished cobalt steel retains hardness at high temperatures. 135-degree split point for fast penetration and accurate self centering. Jobber length drills designed for stainless steel, hard steel, wood and plastic, swift bore (registered trademark). Diameter 3/32-inch, overall length 2-1/4-inch. Cobalt steel withstands abrasion and heat generated by hard-to-machine metals.





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