10 Best Hss M42 Cobalt Twist Drill In The Us - Black Friday 2024
Best Choice1
MACXCOIP15% OffMACXCOIP Metric 25Pcs M35 Cobalt Drill Bit Set, 1.0mm-13.0mm HSS Cobalt Jobber Drill Bits for Hardened Metals, Stainless Steel, Cast Iron and Wooden Plastics, with Metal Index Storage Box
Main highlights- 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
- Metric Size: The drill bits include 25pcs metric drills: 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7 mm, 7.5mm, 8 mm, 8.5mm, 9 mm, 9.5mm, 10 mm, 10.5mm, 11mm, 11.5mm, 12mm, 12.5mm, 13mm, 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. Note that it is not applicable to quenched bolts
- HSS Drill Bit Set: HSS cobalt drill bit set for hardened steel with excellent cutting performance. 19 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
9.7Exceptional
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Value for Money2
COMOWARECOMOWARE Cobalt Drill Bit Set- 21Pcs M42 High Speed Steel Twist Jobber Length for Hardened Metal, Stainless Steel, Cast Iron and Wood Plastic with Indexed Storage Case, 1/16"-1/2"
Main highlights- VERTICAL OPERATION: Vertical operation can make the blade tip evenly stressed, which can avoid damage to the blade tip due to uneven force.
- 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.
- SIZE INCLUDED: 21pcs jobber length drill bit set with plastic storage case including sizes: 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" 5/16" 3/8" 1/2".
- PROFESSIONAL & WIDELY USE: M42 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.
- HIGH QUALITY MATERIAL: 8% Cobalt High Speed Steel M42 provide extended tool life compared to ordinary drill bits.
9.5Excellent
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3
STROTON26% OffMetric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal (1mm-10mm/19pcs)
9.3 Precision8.4 worth the money8.0 lasts a long timeWhy we love it
The drill bits are made of premium M42 8 cobalt steel for durability and long tool life.
The drill bits are designed for cutting through stainless steel, hard metals, aluminum, and plastic.
The drill bits are capable of running three to five times faster than standard drill bits, making them more efficient.
9.3Excellent
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4
HARFINGTONHARFINGTON Twist Drill Bit 9mm Titanium Coated (HSS-E) M42 High Speed Steel 8% Cobalt Straight Shank for Stainless Steel Aluminum Alloy Metal
Main highlights- Size - Cutting edge diameter: 9mm / 0.354"; cutting edge length: 65mm / 2.56"; shank diameter: 9mm / 0.354"; overall length: 125mm / 4.92"; cutting point angle: 135 degree; manufacturing technology: fully-ground
- Notes - Choose the right lubricant can facilitate cutting or cooling, make cutting easier, and improve dimensional accuracy. Please pay attention to the speed adjustment when using the electric drill. The larger the drilling size, the slower the speed requirement.
- Material - M42 steel is a super-hard cobalt high-speed tool steel containing 8% cobalt, with good toughness, high wear resistance, high cutting efficiency, and good hot hardness. Nanoscale gold titanium coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant.
- Features - Sharp cutting edge provides fast, neat and smooth cuts. The spiral groove facilitates the export of metal chips, saving time and effort in operation. Chamfered shank design for easier clamping and less slippage during use.
- Applications - The straight shank drill bits are widely used for drilling hardened steel, titanium alloy, stainless steel, copper, aluminum, cast iron, and other metal materials. Do not drill quenched and tempered materials.
9.2Excellent
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5
MaxToolMAXTOOL 9/64" 2pcs Identical Screw Machine Drills HSS M42 Cobalt Twist Stub Drill Bits Fully Ground Golden Straight Shank Short Drills; SMF42G10R09P2
Main highlights- Stub Drills were developed for screw machine operations where regular drills are too long for small spaces; The short length reduces breakage and runout
- Precision treatment makes drills durable toughness, withstands heavy duty operation, resists corrosion and lubricates the drill bits better for cutting smoothly. Packed in a rigid translucent tubes or pouches prevents drill bits from damage
- Fully ground process and precision surface finish ensure excellent chips moving, and 135 deg chisel angle with split point provide accuracy start for quick penetration without Walking and less Logging
- Cobalt high speed steel ensures the bits super hard, sharp and cutting effectively with impressive performance in cutting metal, plastic, and wood etc with long tool life
- All drill dimensional & tolerances conform to ASME/ANSI B94.11M drill standards or USCTI - United States Cutting Tool Institute (formerly MCTI). Fractional Sizes 1/16” to 1/2” are available
9.1Excellent
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6
HARFINGTONHARFINGTON Twist Drill Bit 12.7mm Titanium Coated (HSS-E) M42 High Speed Steel 8% Cobalt Straight Shank for Stainless Steel Aluminum Alloy Metal
Main highlights- Size - Cutting edge diameter: 12.7mm / 0.5"; cutting edge length: 80mm / 3.15"; shank diameter: 12.7mm / 0.5"; overall length: 151mm / 5.94"; cutting point angle: 135 degree; manufacturing technology: fully-ground
- Notes - Choose the right lubricant can facilitate cutting or cooling, make cutting easier, and improve dimensional accuracy. Please pay attention to the speed adjustment when using the electric drill. The larger the drilling size, the slower the speed requirement.
- Material - M42 steel is a super-hard cobalt high-speed tool steel containing 8% cobalt, with good toughness, high wear resistance, high cutting efficiency, and good hot hardness. Nanoscale gold titanium coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant.
- Features - Sharp cutting edge provides fast, neat and smooth cuts. The spiral groove facilitates the export of metal chips, saving time and effort in operation. Chamfered shank design for easier clamping and less slippage during use.
- Applications - The straight shank drill bits are widely used for drilling hardened steel, titanium alloy, stainless steel, copper, aluminum, cast iron, and other metal materials. Do not drill quenched and tempered materials.
8.9Very Good
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7
TwstprtTwstprt M42 Cobalt Drill Bit Set,metric drill bit set（2mm-8mm,10PCS）, metal drill bit set for steel, Titanium Coated HSS-Co metal drill bit set for steel,Stainless Steel,Bolt and Stud Removing
Main highlights- 【Warranty】If you are not fully satisfied for any reason, please contact us for 100% refund or replacement.
- 【U-shaped Groove&135° split point】Fully ground U-shaped flutes, wider than the spiral grooves of traditional drill bits, effectively reduce frictional heat and facilitate chip evacuation. With a 135°split point, it maintains better strength and durability when drilling hard metals.
- 【M42 Cobalt High Speed Steel】Constructed from M42 HSS, it features an 8% cobalt addition to regular high-speed steel, enhancing hardness, wear resistance, and heat resistance, making it ideal for drilling hard metals.
- 【Industrial-grade TiN coating】With a thickness five times that of a standard titanium coating, effectively improves surface hardness and wear resistance. The drill bits undergo sandblasting prior to coating, ensuring better adhesion and reduced coating detachment.
- 【10Pcs Assorted Cobalt Drill Bits】This Metal drill bit set includes 10Pcs assorted cobalt drill bits(2mm,2.5mm,3mm,3.2mm,3.5mm,4mm,4.5mm,5mm,6mm,8mm), compatible with commonly found drills on the market, and comes with a sturdy plastic case for storage.
8.8Very Good
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8
HARFINGTONHARFINGTON Twist Drill Bit 6.8mm Titanium Coated (HSS-E) M42 High Speed Steel 8% Cobalt Straight Shank for Stainless Steel Aluminum Alloy Metal
Main highlights- Size - Cutting edge diameter: 6.8mm / 0.268"; cutting edge length: 55mm / 2.17"; shank diameter: 6.8mm / 0.268"; overall length: 109mm / 4.29"; cutting point angle: 135 degree; manufacturing technology: fully-ground
- Notes - Choose the right lubricant can facilitate cutting or cooling, make cutting easier, and improve dimensional accuracy. Please pay attention to the speed adjustment when using the electric drill. The larger the drilling size, the slower the speed requirement.
- Material - M42 steel is a super-hard cobalt high-speed tool steel containing 8% cobalt, with good toughness, high wear resistance, high cutting efficiency, and good hot hardness. Nanoscale gold titanium coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant.
- Features - Sharp cutting edge provides fast, neat and smooth cuts. The spiral groove facilitates the export of metal chips, saving time and effort in operation. Chamfered shank design for easier clamping and less slippage during use.
- Applications - The straight shank drill bits are widely used for drilling hardened steel, titanium alloy, stainless steel, copper, aluminum, cast iron, and other metal materials. Do not drill quenched and tempered materials.
8.6Very Good
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9
MaxToolMAXTOOL 1/8" 10pcs Identical Jobber Length Drills HSS M42 Twist Drill Bits 8% Cobalt Fully Ground Golden Straight Shank Drills; JBF42G10R08P10
Main highlights- Precision treatment makes drills durable toughness, withstands heavy duty operation, resists corrosion and lubricates the drill bits better for cutting smoothly. Packed in a rigid translucent tubes or pouches prevents drill bits from damage
- Jobber Length Twist Drill Bits with Straight Shank are better for cutting metal, plastic, and wood etc
- Fully ground process and precision surface finish ensure excellent chips moving, and 135 deg chisel angle with split point provide accuracy start for quick penetration without Walking and less Logging
- Cobalt high speed steel ensures the bits super hard, sharp and cutting effectively with impressive performance in cutting metal, plastic, and wood etc with long tool life
- All drill dimensional & tolerances conform to ASME/ANSI B94.11M drill standards or USCTI - United States Cutting Tool Institute (formerly MCTI). Fractional Sizes 1/16” to 17/32” are available
8.3Good
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10
MaxToolMAXTOOL 9/32" 5pcs Identical Jobber Length Drills HSS M42 Twist Drill Bits 8% Cobalt Fully Ground Golden Straight Shank Drills; JBF42G10R18P5
Main highlights- Precision treatment makes drills durable toughness, withstands heavy duty operation, resists corrosion and lubricates the drill bits better for cutting smoothly. Packed in a rigid translucent tubes or pouches prevents drill bits from damage
- Jobber Length Twist Drill Bits with Straight Shank are better for cutting metal, plastic, and wood etc
- Fully ground process and precision surface finish ensure excellent chips moving, and 135 deg chisel angle with split point provide accuracy start for quick penetration without Walking and less Logging
- Cobalt high speed steel ensures the bits super hard, sharp and cutting effectively with impressive performance in cutting metal, plastic, and wood etc with long tool life
- All drill dimensional & tolerances conform to ASME/ANSI B94.11M drill standards or USCTI - United States Cutting Tool Institute (formerly MCTI). Fractional Sizes 1/16” to 17/32” are available
8.2Good
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