Reviews Drill Bits For Drilling Hardened Steel

Cobalt Drill Bit Set M35 High Speed Steel Twist Drill Bit Set for Hardened Metal Stainless Steel Cast Iron Woodwork Plastic (30 Pieces,1/8 Inch)

  • Quality material: the cobalt drill bit set uses cobalt M35 high speed steel as material, this material is reliable and practical, with a long service use, heat and abrasion resistance.
  • The cutting edge of drill bit is hardened and honed, with accurate cutting without shaking.
  • Creative twist design: metal cobalt drills for hardened steel has 135 degrees split point tip and torsional design to improve cutting speed with self-centering ability.
  • They can avoid walking during work process, while clearing chips and particles more quickly and easily.
  • Nice features: the nice twist drill bits have precise diameter.
  • M35 cobalt drill bits for hardened metal are not easy to break or wear out, so suitable for lithium electric drill, hand electric drill, impact electric drill, etc..
  • The size is small, please pay attention to use.
  • Various fitness: M35 high speed steel cobalt drill set is nicely suitable for hardened material and hard metals, such as cast iron, high temperature alloy, hard plastics, stainless steel, titanium alloy, woods, etc., also for soft materials.
  • What you will get: the package contains many cobalt drill bits, sufficient quantity to meet your various needs.
  • Please pay attention to speed, pressure and heat control during drilling.
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Cobalt Drill Bit Set M35 High Speed Steel Twist Drill Bit Set for Hardened Metal Stainless Steel Cast Iron Woodwork Plastic (15 Pieces,1/16 Inch)

  • ...ch as cast iron, high temperature alloy, hard plastics, stainless steel, titanium alloy, woods, etc., also for soft materials.
  • What you will get: the package contains 15 pieces 1/16 inch cobalt drill bits, sufficient quantity to meet your various needs.
  • Please pay attention to speed, pressure and heat control during drilling.
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Irwin Tools 3046002 Speedbor MAX Self-Feed Wood Bit Extension, 12\ , Black

  • Adds 12 inches to SPEEDBOR Max Self-Feed wood drilling bits..
  • Forged in one piece from high carbon steel for maximum strength under tough drilling conditions..
  • Precision-milled shank eliminates run-out and wobble..
  • Drill bits have 3 cutting edges that are hardened for durability and long life in tough materials.
  • Drill bits feature replaceable screw-point tips that pull the drill bit fast for clean, true holes.
  • 7/16-inch hex impact shank reduces slipping in standard chucks.
  • IRWIN drill bit extension is compatible with most 7/16-inch impact drills.
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Threads

  • 【5Pcs Solid Carbide Burr Bits】The grinder drill set is made of tungsten carbide, high sharpness and good toughness, machining hardness up to HRC70, great for carving, polishing, drilling.
  • 【Metal Die Grinder Drill Bit】The rotary file is widely used for processing metal(include hardened steel) and non-metal( like wood, bone and marble), perfectly fits for die grinder and drill.
  • 【1/4” Shank Rotary Burr】Size: Shank-1/4inch(6mm), Tip Head-5/16inch(8mm), Total Length 58-65mm, Cutting Burr Shape: Ball, Round Nose, Pointed Tree, Cylinder with End Cut and Cylinder with Round Head.
  • 【Double Cut Head Design】The double burr can cut cleanly and quickly through hardened steel, with smoother surface and no dust pollution compared with grinding wheels or steel cutter.
  • 【Wide Applications】The tungsten grinding bits are widely used in woodworking carving, mold processing, burr cleaning and impeller polishing.
  • Plus package comes with plastic case for safety storage and protection.
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COMOWARE Impact Screwdriver Bit Set with Titanium Drill Bits - Quick Release Twist Drill Bit Set with Tough Case, Impact Driver Bit Set Total 35Pcs

  • ...ivers, hand screwdrivers, cordless drills, electric drills, air drills and so on. The bits are also impact-rated and for use in ¼” hex impact drivers (sold separately)..
  • 【HSS-Ground Titanium Coating】Classic HSS construction with titanium coating to sustain long life. The cutting edge is hardened and honed for drilling accurate and clean holes in metal, wood and plastic, 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..
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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

  • ...-carbon steel, great hardness provides sharp edges, high strength takes bits with superior cutting capactiy and durability. Ideal for household woodworking and DIY Projects..
  • 【EFFICIENT DESIGN】For 7 countersink drill bits, 3-point tricuspid ensures drill process accurate and fast, no offset, slip and bias during drilling.
  • 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 dri....
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M35，5% Cobalt Drill bit Set 1.5mm-6.5mmMetric Drill bits Set Metal Drill bits for Steel（13pcs）

  • COPOUIXR High speed steel with cobalt drill bit set for hardened steel 13pcs.
  • High speed steel cobalt drill bits for metal 5% cobalt drill bit set steel drill bits for hard metal diamonds are ideal for stainless steel and hard metals.
  • 135% self-sharpening impact drill set Drill point with built-in positioning function that requires no additional positioning Easy penetration of hard metals Long torsion bar cutting edge with different drilling depth option.
  • metric drill bit set for metal1.5mm, 2mm, 2.5mm, 3mm, 3.2mm, 3.5mm, 4mm, 4.5mm, 4.8mm, 5mm, 5.5mm, 6mm, 6.5mm drill bit for metal A total of 13 round bar drills of different diameters, suitable for home manual scenes and professional work.
  • Compact storage box Easy to carry and store drill bits Box size identification for easy selection and storage.
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amoolo Countersink Drill Bits Set 7Pcs, Counter Sink Drill Bit for Wood, Woodworking High Carbon Steel Carpentry Bit with Chamfering Combination Pedestal, 1 Free Hex Key Wrench Attached

  • ...ade with industrial grade high-carbon steel, great hardness provides sharp edges, high strength takes bits with superior cutting capactiy and durability. Ideal for household woodworking and DIY Projects..
  • 【EFFICIENT DESIGN】3-point tricuspid ensures drill process accurate and fast, no offset, slip and bias during drilling.
  • 2-spiral flute makes chip removing easy and efficient.
  • 5-edged chatter-free chamfer cutter pedestal design makes countersink precise and smooth. All cutting edge are well hardened and honed for sharpness..
  • 【MULTIPLE APPLICATION】 Perfect for Wooden planks, Fiberboard, Particle board, Plywood, Plastic, PVC and soft metals. Suitable for hand drill, bench drill and electric 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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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 with Metal Indexed Storage Case

  • ...es from 1/16" to 1/2" by 64ths increments.
  • 60 pcs wire sizes from #1 to #60. Almost cover all sizes you would use..
  • COBALT JOBBER DRILL BITS:115 pcs high speed steel with 5% cobalt drill bit set can resist high heat abrasion while drilling. M35 cobalt HSS twist drill bits is more suitable for hardened working material. Particularly adapt to drilling stainless steel, cast iron, high temperature alloy, titanium alloy and even hard plastics, and woods. Can also be used for soft materials..
  • TWIST DRILL BITS: Premium HSS with 5% Cobalt and 135° split point drill tip design guarantee 115 pcs drill bit keeping sharpness while drilling hard materials and prevent tips walking on the working surface. Proper twist and flute design clears chips and particles fast..
  • WIDE APPLICATION: Jefe Hex 115 pcs set with sharp and hard cutting edge is ideal for versatile application especially for projects made from hard material, such as kitchen utensils, machine parts, medical equipment, DIY projects and so on..
  • ORGANIZED HOLDER: The whole drill bit set is kept....
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5mm Cobalt Drill Bit Set, M35 Twist HSS Drill Bits Straight Shank, 5mm High Speed Steel Drill Bits for Drilling in Hard Metal, Stainless Steel, Cast Iron

  • ...peed steel. HSS bit set, harder than the 4241 HSS used in other similar bit sets. These bits also contain 5% cobalt for improved wear resistance and durability..
  • 【Full Grinding Process and 135° Split Point】Fully ground helical flute design removes particles quickly, reducing friction and heat for faster, cooler drilling performance. The 135° straight shank split point prevents walking, making drilling more precise and faster..
  • 【PROFESSIONAL AND WIDELY USED】M35 Cobalt High Speed Steel is more suitable for hardening materials. Ideal for cutting stainless steel, steel and cast iron as well as wood, aluminum alloys and other metals. Not suitable for glass or ceramic materials. Pay attention to speed, pressure and heat control when drilling..
  • 【Quality Service】If you have any questions about our diamond bit set or are not satisfied with the product, please feel free to contact us..
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STROTON Cobalt Drill Bit Set (1/16-1/4 Inch, 13PCS), M35 High Speed Steel Twist Drill Bits for Stainless Steel, Hard Metal, Cast Iron, Plastic and Wood

  • 【Premium True 5% Cobalt Steel with 68 HRC】- The Marked Cobalt Content of Ordinary Drill Bits May be False, but This Drill Bits Set is Made of Cobalt Ore from Our Own Mine, Which Indeed Contains 5% Cobalt. Although the Cost and Price are Slightly Higher, It Usually is able to Provide 3X Heat,Wear and Chip Resistance and 3X Tool Life..
  • 【Split Point Design and Fully Ground Process】- Compared with Other Ordinary Drill Bits, This Drill Bits Set is Particularly Suitable for Heavy Duty Work, Such as Cutting through Stainless Steel,Steel Plate,Iron Sheet, Cast Iron and Hardwood, and Drilling Out Bolts Studs and Screws..
  • 【3X Efficiency + 3X Tool Life】- This Cobalt High Speed Steel Drill Bits Set is Typically Capable of Running 3 Times Faster. Despite the Higher Price,the Cost Per Hole When Using Cobalt Drill Bit Will be the Lowest,Since It Can Produce So Many More Holes..
  • 【Sharp Drill Bit Edge】- This Kind of Drill Bits Beast Can Even Cut Hardened Metal into Long Iron Bars, While a Dull Drill Bit Can Just Slowly Wear Through Metal..
  • 【13 Pieces Jobber Length Industrial Drill Bits 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 [DIA 1/64 Inch Increments].
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Sabre Tools 5/16 Inch Cobalt Drill Bits – 5pcs Drill Bits for Metal, M35 Cobalt Metal Drill Bit Set, Pilot Point Tip – Heavy-Duty Drill Bits for Steel, Hard Metal, Cast Iron (5/16" x 4-1/2")

  • What You Get: This drill bit set for metal includes 5 – 5/16 Inch x 4-1/2 Inch bits of the same size..
  • A Must in Your Tool Box: This cobalt drill bit set is designed to surpass your expectations in terms of durability and performance, ensuring fast and easy penetration through hard metals..
  • Heavy-Duty Material: Our drill bits for hardened steel feature a heavy-duty construction made with M35 cobalt, which has excellent durability and superior resistance against abrasion and high heat..
  • Pilot Point Tip: These cobalt drill bits feature a pilot point tip that prevents slipping and can help increase drilling speed while ensuring smooth and easy penetration through hard metals..
  • Wide Range of Applications: Our cobalt drill bits for hardened steel are suitable for hard metals, stainless steel, cast iron, steel, titanium alloy, hard plastics and more, and a wide range of applications such as repair, construction, or woodworking..
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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）

  • PACKAGE CONTENT: It includes 1 pcs hand drill,20 pcs different size twist drill bits : 0.8/ 1.0/ 1.2/ 1.5/ 1.8/ 2.0/ 2.2/ 2.5/ 2.8/ 3.0 mm.Different sizes apply to different demands, good for drilling..
  • SIZE: This hand drill is 4.7 inches long, suitable for ordinary hand size, easy to use. The hand pin vise features 3 jaw chuck, clamp the drills bits in 0.8-3 mm, keeping 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 ....
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