Top Drill Bits For Hardened Steel

MACXCOIP Cobalt Drill Bit Set, 115Pcs M35 High Speed Steel Bits for Hardened Metals, Stainless Steel, Cast Iron and Wooden Plastics, with Metal Index Storage Box

  • ...ient] 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. 115 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 drill holders with size indexes and is packaged in a small, strong package for easy storage and sorting. If you have any questions, please feel free to contact us and we will be happy to help you..
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amoolo 10-Pack Countersink Drill Bit Set with 1 Free Hex Key Wrench, 7 Pcs High Carbon Steel Countersink Drill Bits for Wood, 3 Pcs Hex Shank Wood Countersink Bits (1/2\ 5/8\ 3/4\), Woodworking Carpentry Reamer

  • 2-spiral flute makes chip removing easy and efficient. For 3 countersink bits, 90°on the point & 1/4" hex shank for quick change make the countersink process convenient. All drill bits get 5-edged chatter-free chamfer cutter pedestal design makes countersink precise and smooth. All cutting edge are well hardened and honed for sharpness..
  • 【REMOVABLE& ADJUSTABLE】Perfect for Wooden planks, Fiberboard, Particle board, Plywood, Plastic, PVC and soft metals. Suitable for hand drill, bench drill and electric drill, #12，#16, #19 are especially fine for quick drill.The drilling depth of countersink drill bits are adjustable by screws with various lengths.
  • Meanwhile, their bits are removable for easy cleaning, sharpening,and replacement. × NOT for hard metals or steel board..
  • 【SOPHISTICATED DESIGN】Extra straightening drill bit with exquisite countersink pedestal provide user a method of drilling a countersink hole with 1 time drill process.Extra straightening drill bit makes the drill hole accurate and smooth, exquisite countersink pedestal creates proper countersink structure with efficient experience..
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Hymnorq Jobber Twist Drill Bits 15pc Set, Fractionsh Inch Size 1/16 to 3/8 in Premium Index Case, M35 Cobalt Steel, 135 Degree Split Point, For Stainless Steel Iron and Other Metals

  • COBALT STEEL - Manufactured from M35 cobalt steel, with molybdenum and cobalt added to create a hardened heat-resistant alloy, measuring Rockwell hardness up to 67, for much faster cutting and extra longer life span, with up to twelve times compared with an average HSS drill bit..
  • SELF CENTERING - The 135°quick-cut split point is 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. (The 4 small bits are 118 degree chisel pointed..
  • 15PC SET - The set includes 15pcs (12different sizes: 2 pieces of 1/16", 3/32",1/8" bits, and 1 piece of 5/64", 7/64", 9/64", 5/32", 3/16", 7/32", 14", 5/16" and 3/8" bit) of fractional inch size M35 grade cobalt steel twist drill bits, packed in a hard ABS plastic indexed case. Manufactured to German DIN338 standard..
  • 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..
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BOSCH CO14B 14 Pc. Cobalt M42 Drill Bit Set

  • 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.
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MACXCOIP Cobalt Drill Bit Set, 29Pcs M35 High Speed Steel Bits for Hardened Metals, Stainless Steel, Cast Iron and Wooden Plastics, with Metal Index Storage Box, 1/16"-1/2"

  • [Various Sizes] 29 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", 17/64", 9/32", 19/64", 5/16", 21/64", 11/32", 23/64“, 3/8", 25/64", 13/32", 27/64", 7/16, 29/64, 15/32", 31/64", 1/2", 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. 29 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 drill holders with size indexes and is packaged in a small, strong package for easy storage and sorting. If you have any questions, please feel free to contact us and we will be happy to help you..
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BOSCH CO21B 21 Pc. Cobalt M42 Drill Bit Set

  • 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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Topline Cutting Tools No. 7 Drill Bits Cobalt M42 4-Pk

  • 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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Woodworking Auger Drill Bit Sets, 8Pcs High Carbon Steel Wood Boring Bits Long 4 Flute Cut Drilling Tool Wood Hole Cutter for Wood Door Lock 9/23, 9/19, 5/9, 7/11, 5/7, 11/14, 13/15, 63/64-IN

  • Material: Auger drill bit made of High Carbon Steel, hardened and tempered for longer useful life. And lighter weight carbon steel construction than standard augers for safety.
  • Excellent craftsmanship: Designed for 4precision ground cutting edges and 4 flutes engineered to optimize performance, easy for chip removing. With self feeding auger point, easy cutting of accurate diameter holes. Attention: Please make sure these auger drill bits worked on wood, and fixed the drill bits firmly when the electric drill start working to avoid broke the drill bits. Due to these auger drill bits come with a long handle, you need press the electric drill hardly to avoid wobbling.
  • 8 different size: 9/23"(10mm), 9/19"(12mm), 5/9"(14mm), 7/11"(16mm), 5/7"(18mm), 11/14"(20mm), 13/15"(22mm), 63/64"(25mm), different size for your needs..
  • Available application: Woodworking drill bits ideal for making neat and clean holes into both hard wood and soft wood, plastic, etc. Come with grooved hex shank, can be used in hand drills electric drills..
  • Service warranty: We promised provide good quality products and service. If there is any problem, please just contact us freely, and we can provide you a new replacement or refund..
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BOSCH CO2159B 1/2 In. x 6 In. Cobalt M42 Drill Bit

  • 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.
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KINGFOREST Pin Vise Hand Drill for Resin Casting Molds, Steel Hand Drill with 20 PCS Drill Bits (0.8-3 mm), for Wood, Manual Work DIY, Jewelry, Assembling, Model Making（Silver）

  • HIGH QUALITY:This hand drill is made of premium stainless steel, rust proof, sturdy and durable. Silver surface and non-slip design, looks pretty exquisite and good for rotating easily.And the twist drill bits are made of high speed steel,the drill pin vise has 3-jaw hardened steel keyless chuck,easy to operate..
  • GREAT FOR DIY: Compact size, light, useful for working on resin, wood, plastic, polymer clay, bead, pearl, amber, beeswax and other not too hard materials, give assistance to make diy projects, like necklace, earing, jewelry, bracelet, pendant, keychain, model, sculpture, doll and more..
  • CONVENIENT TO USE : Easy to install and loosen the drill bits by rotating the head, then tighten the vise head while clamping the bit. You can start drilling your project, then insert the screw eye pin and fix it, add the jump ring to attach the stuff and keychain together..
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KINGFOREST Pin Vise Hand Drill for Resin Casting Molds, Steel Hand Drill with 20 PCS Drill Bits (0.8-3 mm), for Wood, Manual Work DIY, Jewelry, Assembling, Model Making（Black）

  • ...ing them upright and clamping them really tight..
  • HIGH QUALITY:This hand drill is made of premium stainless steel, rust proof, sturdy and durable. Silver surface and non-slip design, looks pretty exquisite and good for rotating easily.And the twist drill bits are made of high speed steel,the drill pin vise has 3-jaw hardened steel keyless chuck,easy to operate..
  • GREAT FOR DIY: Compact size, light, useful for working on resin, wood, plastic, polymer clay, bead, pearl, amber, beeswax and other not too hard materials, give assistance to make diy projects, like necklace, earing, jewelry, bracelet, pendant, keychain, model, sculpture, doll and more..
  • CONVENIENT TO USE : Easy to install and loosen the drill bits by rotating the head, then tighten the vise head while clamping the bit. You can start drilling your project, then insert the screw eye pin and fix it, add the jump ring to attach the stuff and keychain together..
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JEFE HEX 115 pcs HSS Cobalt Drill Bit Set, Twist Jobber Drill Bits Set, 135-Degree Split Point, Fractional 1/16'-1/2', Letter A - Z, Wire #1 - #60 for Stainless Steel, Hardened Metal, Cast Iron, Wood and Plastic with Metal Indexed Storage Case

  • 13 PACK OF 1/4" COBALT DRILL BITS - 1/4" Diameter with a Flute Length of 2-3/4" and Total length of 4".
  • M35, FULLY GROUND, 135° SPLIT POINT - Our Drill Bits Contain 5% Cobalt, Are Fully Grounded for a Precision Drilling Diameter. 135° Split Point Design Makes it Easier to Drill Repeated Holes in Harder Materials..
  • PLASTIC STORAGE CASE INCLUDED - Incredibly Tough and Durable Plastic Case. Perfect for Keeping Your Cobalt Drill Bits Neatly Organized and Safe..
  • COBALT DRILL BITS ARE THE PERFECT DRILL BITS FOR METAL - As well as other hard materials such as Stainless Steel, Hardened Steel, Cast Iron, Bronze, Titanium, and More!.
  • LIFETIME GUARANTEE - Here at Owl Tools (USA Based Company) we only care about your satisfaction. We try our best to ensure each product is in perfect condition before you get it, but if something is not up to your satisfaction, please contact us for a full refund or replacement..
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