Best Drill Bits For Hardened Steel

LudoPam 3/32 Inch Cobalt Drill Bit Set, M35 HSS Twist Jobber Length for Hardened Metal, Stainless Steel, Cast Iron, Pack of 10

  • HIGH QUALITY MATERIAL: 5% Cobalt High Speed Steel M35 provide extended tool life compared to ordinary drill bits.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..
  • Pay attention to speed, pressure and heat control during drilling..
  • INCLUDE: 10 pieces of 3/32-Inch cobalt drill bits.
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Hymnorq 1/8 Inch Fractional Jobber Twist Drill Bit Set of 10pcs, Heat Resistant M35 Cobalt Steel, Fully Ground and Straight Shank, Suitable for Repeated Drilling in Iron and Stainless Steel

  • HSS-CO MATERIAL – Manufactured from M35 grade cobalt steel, 5% cobalt added to creates a hardened alloy, for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit..
  • 135°SPLIT POINT – the 135°quick-cut split point are self-centering and able to penetrate metals quickly with less pressure, prevent bits from “walking and wanding”. Easy cutting without need of center punch..
  • 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..
  • 10PC SET – The set includes 10pcs of 1/8″ 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..
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Hymnorq 3/8 Inch Fractional Size M35 Cobalt Steel Twist Drill Bit Set of 5pcs, Jobber Length and Straight Shank, Extremely Heat Resistant, Perfect Drilling in Stainless Steel and Cast Iron

  • 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..
  • 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..
  • 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..
  • 5PC SET - The set includes 5pcs of 3/8” diameter M35 grade cobalt steel twist drill bits, packed in a convinient and reuseable PVC 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 w....
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MAXTOOL 1/8" 10pcs Identical Jobber Length Drills HSS M42 Twist Drill Bits 8% Cobalt Fully Ground Golden Straight Shank Drills; JBF42G10R08P10

  • 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.Case Type:Plastic.
  • Surface-hardened tip – penetrates tough abrasive materials.
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Amartisan 24-Piece Hex Head Allen Wrench Drill Bit Set, Metric and SAE S2 Steel Hex Bits Set, 1\ Long

  • S2 Material Forging:The drill bit is made of high quality S2 alloy steel ,with sturdy hardened & tempered construction..
  • 12 piece sae hex bits sizes include 1.5mm, 1.5mm, 2mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 5mm, 6mm, 7mm, 8mm..
  • 12 piece metric hex bits sizes include 5/64 inch, 5/64 inch, 3/32 inch, 3/32 inch, 7/64 inch, 1/8 inch, 9/64 inch, 5/32 inch, 3/16 inch, 7/32 inch, 1/4 inch, 5/16 inch..
  • 1/4 inch hex handle can be used with screwdriver and is widely used for household tool repairs..
  • Wide Range of Uses: Used in automobiles, repairs, trucks, automobiles, engines, motorcycles, interiors, dashboards, computers, cable boxes, toys, appliances and consumer electronics, drill bits can also be used in many other protected parts..
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Hymnorq 1/2 Inch Fractional Size M35 Cobalt Steel Twist Drill Bit Set of 2pcs, Jobber Length and Straight Shank, Extremely Heat Resistant, for Drilling in Stainless Steel and Cast Iron

  • 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..
  • 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..
  • 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..
  • 2PC SET – The set includes 2pcs of 1/2” diameter fractional inch size M35 grade cobalt steel twist drill bits. Total lenght: 5.98 inch.
  • working length: 4.49 inch. Manufactured to German DIN338 standard. Packed in a plastic bag and a flat paper box..
  • 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....
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Daily Treasures 34Pcs Pin Vise Hand Drill Set, Include Pin Vise Hand Drill with Bench Vise, 0.5-3mm PCB Mini Twist Drill Bits,5 Finger Covers in 3 Sizes and 2 Diamond Needle File for Craft Carving DIY

  • ...omes with 1 adjustable pin vise, 25 pcs twist drill bits in 9 different sizes(0.5mm,0.6mm,1mm,1.2mm,1.5mm,1.8mm,2mm,2.35mm,and 3mm),1pcs jewelry vice, 1 pcs flat file,1 pcs round file and 5 pcs silicone finger covers. Meet your hand carving and DIY needs.
  • 【High Quality and Durable】-This manual pin vice has 3 jaw hardened steel keyless chucks to grip the small drill bits tightly. After many uses the drill bit does not skid and not falling off. And can adjust twist drills with a diameter of 0.2 - 3.4mm.The high-speed steel hobby drill can easily handle your precision drilling..
  • 【 Bench Vise Help a Lot 】-There is a mini drill press vise, which deisgns with 4 plastic clips to clamp square, round, irregular objects of 0-30mm size. The jewelry vise can help you to fix the object you want to drill, and so that you can drill rightly.
  • 【 Extra DIY Drill Auxiliary Tool】-Specialized diamond electroplating process with soft PVC-dipped handle makes these 2pcs files with high hardness, which can help you to polish and shape the wood, plastic, glass, resin, acrylic and other materials. And with 5pcs silicone finger covers in 3 sizes to protect your hands when opreating.
  • 【Wide Application】-This pin vise hobby drill can be used to hold and rotate small dri....
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uxcell Cemented Carbide Twist Drill Bits 8.5mm Metal Drill Cutter for Stainless Steel Copper Aluminum Zinc Alloy Iron 6 Pcs

  • Cemented Carbide Tip: 8.5mm twist drill bits are made of cemented carbide tip for long service life, more sharp and durable than others.
  • Features: Milled U-flutes with deep-cut spiral delivers fast material removal. Suitable for drilling in tough metal, including heavy-duty abrasive alloy and hardened steel.
  • Use For: Drilling clean, accurate holes in sheet metal, steel, copper, brass, aluminum, plastic, wood, stainless steel and cast iron.
  • Use Note: Please use low speed when drilling and note the temperature of carbide tip is not too high for extending drill bit life.
  • Round Shank Design: Round shank twist drill bit can work with a electric drill (Excluding in the item)..
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EZARC 5PC Carbide Tip Multi-Purpose Drill Bit Set Hex Shank Masonry Drill Bit Kit for Metal, Wood, Block, Brick, Tile and Plastic

  • 【Advanced Material】Our industry grade hex drill bit set made of high speed steel with titanium coating. Which increases excellent wear resistance and durability. The cutting edge is hardened and polished to keep it sharp. Hex shank drill bits increases cutting speed with self-centering and prevents walking, clears chips and particles faster..
  • 【Quick Change】1/4 inch (6.4mm) hex shank fits into all power tools more easily and securely without slip and shedding, specially for locking into quick change chuck. We also offer a quick-change adapter to better quick change..
  • 【Unique Design】These drill bits come with a twist design to increase cutting speed with an angled tip that is a 135 degree split point for precise self-centering and designed to cut holes faster as it prevents walking, clears chips and particles faster. Particularly suitable for locking the quick change chuck..
  • 【13 Pcs Set+3 Pcs Free】1/4" (6.4mm) hexagon handle set includes 13 most commonly used sizes (1.5mm, 2.0mm, 2.5mm, 3.0mm, 3.2mm, 3.5mm, 4.0mm, 4.5mm, 4.8mm, 5.0mm, 5.5mm, 6.0mm, 6.5mm). To meet all daily needs, there are 3 common sizes 1.5mm, 2.0mm and 2.5mm..
  • 【Multipurpose】Small drill bits are suitable for soft metals such as aluminum alloys, especially for drilling....
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13PCS Cobalt Drill Bit Set - Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bits - with Straight Shank to Cut Through Hard Metals Such as Stainless Steel and Cast Iron - 5% Cobalt HSS-CO

  • ...des 13pcs of M35 cobalt steel twist drill bits: 1.5mm, 2mm, 2.5mm, 3mm, 3.2mm, 3.5mm, 4mm, 4.5mm, 4.8mm, 5mm, 5.5mm, 6mm, 6.5mm. Organized in a sophisticated tin storage case for easy transport to your workplace..
  • Cobalt Steel - Manufactured From HSS M35 5% Cobalt Steel, with Molybdenum and Cobalt Added to Creates a Hardened Alloy, Measuring Rockwell Hardness Up to 65, For Much Faster Cutting and Extra Longer Life Span, with Up to 11 Times When Compared with an Average HSS Drill Bit..
  • The 135° Quick-Cut points are self-centering and penetrate quickly with less pressure. Will not "walk" or "wander", Classic HSS Construction With Titanium Coating for Capability and Durability. The Cutting Edge Is Hardened and Honed for Sharpness..
  • Flutes Form - 2 Flutes form Helps Clear Chips and Debris Away from The Bit, Decreasing Friction and Heat for A Faster, Cooler Drilling Process, Chatter-Free Design with Staggered Cutting Teeth Ensure The Precise Countersinking and Hole Smooth Clean..
  • 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 and High Carbon Steel..
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