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Best results for best cobalt drill bits
Bosch CO14B 14 Pc. Cobalt M42 Drill Bit Set
$32.98
$45.51
Amazon.com
Last update was on: May 5, 2024 2:54 am
- 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
MaxTool 29 Piece Twist Jobber Length Drill Bit Set; 8% Cobalt High Speed Steel HSS M42; 135° Split Point; Fully-Ground; JBS42G10R029P
$99.99
$135.99
Amazon.com
Last update was on: May 5, 2024 2:54 am
- 29pcs jobber length drill bits includes inch sizes 1/16" to 1/2" in 1/64" increments
- Premium Quality 8% Cobalt High Speed Steel M42 (Hardness up to HRC68) provides all drills long tool life
- Precision fully ground ensures chips moving smoothly, ultimate accuracy and performace
- Golden surface finish resists corrosion and increases the hardness of the drill bits
- 135-degree split point prevents "Walking", reduce logging, and penetrates hard material without a pilot hole
21 Pc Cobalt M42 Drill Bit Set 1/16" to 1/2" by 32nds DRILL HOG USA
DEWALT Cobalt Drill Bit Set with Pilot Point, 14-Piece (DWA1240)
Best Choice 8-Piece 1/2” Shank Silver and Deming Drill Bit Set in Aluminum Carry Case, High Speed Steel (HSS) | SAE Size 9/16” – 1” by 1/16th Increment
$27.99
$33.59
Amazon.com
Last update was on: May 5, 2024 2:54 am
- Premium cobalt high speed steel construction for proven capability and durability to drill holes in wood, plastic, aluminum, copper, stainless, sheet metals and many other types of materials
- Superior gold titanium and black nitride dual coating finish holds up lubricant better for smoother drilling, and is 80% more durable and corrosion resistant than regular black enamel finish
- 135° Split point design at tip increases cutting speed with self-centering feature and prevents drill walking or wobbling
Bosch CO2143 1/4 In. x 4 In. Cobalt Drill Bit
$3.52
$4.54
Amazon.com
Last update was on: May 5, 2024 2:54 am
- 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
- Available in jobber length, full shank
- Best used for drilling into light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, stainless steel and titanium
Migiwata 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
$18.99
$28.11
Amazon.com
Last update was on: May 5, 2024 2:54 am
- 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, with up to twelve times when compared with an average HSS drill bit.
- For Stainless Steel - Particularly successful in cutting through hard metals such as stainless steel and cast iron, although they can be used for softer materials, too. Not for hardened steel / high carbon steel. Try to adjust the RPM when it fails to penetrate.
Migiwata Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bits with Straight Shank Set of 13pcs to Cut Through Hard Metals Such as Stainless Steel and Cast Iron
$14.99
$20.99
Amazon.com
Last update was on: May 5, 2024 2:54 am
- COBALT STEEL - Manufactured from M35 cobalt steel, with molybdenum and cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67, extremely heat resistant
- for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit.
- NO CENTER PUNCH NEEDED - The 135° Quick-Cut points are self-centering and penetrate quickly with less pressure. Will not "walk" or "wander". Straight shank allows for firmly holding and accurate centering, fit for standard drill chucks and regular round collet chucks. Must be used and operated at proper RPMs for maximum efficiency
Bosch CO2135 1/8 In. x 2-3/4 In. Cobalt Drill Bit
$1.65
$2.16
Amazon.com
Last update was on: May 5, 2024 2:54 am
- 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
- Available in jobber length, full shank
- Best used for drilling into light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, stainless steel and titanium
1/8-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal, Stainless Steel, Pack of 12
$15.05
$18.96
Amazon.com
Last update was on: May 5, 2024 2:54 am
- JOBBER LENGTH: 1/8-Inch cutting diameter, 1-5/8-Inch flute length, 2-3/4-Inch overall length, 135 degree split point, straight shank
- MADE FROM HIGH-SPEED STEEL AND 5% COBALT: improve much higher heat resistance because of cobalt steel's high red hardness, provide strong durable performance compared to typical hss drill bits
- CAN BE REPEATEDLY SHARPENED AS NEEDED: cobalt drill bit's hardness is uniform throughout the entire material, so that can be repeatedly sharpened without damaging the cutting edge allowing it to drill more than hss drill bits
Irwin Tools3018002 Cobalt M-35 Metal Index Drill Bit Set, 29 Piece
Drill America 29 Piece Heavy Duty High Speed Steel Drill Bit Set with Black and Gold Finish in Round Case (1/16" – 1/2" x 64ths), KFD Series
$49.99
$62.49
Amazon.com
Last update was on: May 5, 2024 2:54 am
- Assortment of 29 jobber length drill bits includes inch sizes 1/16" to 1/2" in 1/64" increments
- High-speed steel (HSS) provides hardness for wear resistance
- Black and gold oxide finish resists corrosion and increases the hardness of the drill bit
- Self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging
- Comes in a plastic storage case
Drill Hog USA 13 Pc COBALT Drill Bit Set Index M42 Drill Bits
Bosch CO2147 5/16 In. x 4-1/2 In. Cobalt Drill Bit
$5.42
$6.72
Amazon.com
Last update was on: May 5, 2024 2:54 am
- 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
- Available in jobber length, full shank
- Best used for drilling into light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, stainless steel and titanium
1/16-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal, Stainless Steel, Pack of 12
$12.42
$16.39
Amazon.com
Last update was on: May 5, 2024 2:54 am
- JOBBER LENGTH: 1/16-Inch cutting diameter, 7/8-Inch flute length, 1-7/8-Inch overall length, 118 degree point, straight shank
- MADE FROM HIGH-SPEED STEEL AND 5% COBALT: improve much higher heat resistance because of cobalt steel's high red hardness, provide strong durable performance compared to typical hss drill bits
- CAN BE REPEATEDLY SHARPENED AS NEEDED: cobalt drill bit's hardess is uniform throughout the entire material, so that can be repeatedly sharpened without damaging the cutting edge allowing it to drill more than hss drill bits
COMOWARE Cobalt Drill Bit Set- 115Pcs M35 High Speed Steel Twist Jobber Length for Hardened Metal, Stainless Steel, Cast Iron and Wood Plastic with Metal Indexed Storage Case, 1/16" – 1/2"
$179.99
$206.99
Amazon.com
Last update was on: May 5, 2024 2:54 am
- 115 PIECES INCLUDED: 29pcs Fractional Size:1/16” to 1/2” in 1/64th increments
- 26pcs Letter Size: A To Z
- 60pcs Numbered Size: #1 To #60.
- HSS WITH 5% COBALT: Durable, Higher Heat & Abrasion Resistance.
- PRECISE 135° SPLIT POINT & TWIST DESIGN: Prevent walking, clear chips and particles faster.
- 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.
Bosch CO2155 7/16 In. x 5-1/2 In. Cobalt Drill Bit
$9.78
$12.71
Amazon.com
Last update was on: May 5, 2024 2:54 am
- 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
- Available in jobber length, full shank
- Best used for drilling into light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, stainless steel and titanium
LETON HSS M35 Cobalt Drill Bit Set, Pack of 5 (5/16", 8mm)
Amazon.com
Last update was on: May 5, 2024 2:54 am
- 100% Brand New and High Quality.
- Using high-quality high-speed steel, through special treatment, processed iron, steel, copper, Aluminum and other metal materials.
- Durable, mainly used for bore machining.
- Made of M35, namely Cobalt High Speed Steel, for super abrasive resistance in tough metals.
- Twist drill bit with round shank, sharp spiral groove.
Vermont American 12674 Cobalt Drill Bit, 3/8-Inch by 5-Inch
$7.64
$10.85
Amazon.com
Last update was on: May 5, 2024 2:54 am
- Superior durability and speed for most general purpose drilling applications in wood, metal and plastic
- Triple tempered black oxide coating provides very high lubricity to reduce heat buildup and prolong the life of the bit
- Features a 135-degree split point for fast starts and minimal walking or skating
