Best Twist Drill For Craniotomy

uxcell HSS(High Speed Steel) Straight Shank Jobber Twist Drill Bit 6.5mm Drill Diameter Extension 160mm Length 2 Pcs

  • [Package Content]- 2 Pcs 6.5mm drill dia. 160mm total length hss straight shank twist drills..
  • [Strength and Hardness]- Made of high-speed steel. HSS(High Speed Steel) enables the drill body harder and can keep a longer drilling life..
  • [Professional and DIY Use]- Suitable for hardened materials and hard metals, such as cast iron, hard plastics, and also suitable for soft materials. When it cannot penetrate, try to adjust the RPM..
  • [Twisted Design]-With the twisted design, it can improve cutting accuracy by centering the tip. It can avoid displacement of the drill bit during work, and at the same time remove debris and particles faster and easier..
  • [Note]- Please keep cool and gentle using, the working life of the twist drill bits can be largely prolonged by proper usage.
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5Pcs 150mm-160mm Extra Long Twist Drill Bit High Speed Steel Straight Shank Tool Sets 2-5 mm for Wood Plastic and Aluminum

  • 【extral long length】Bits are 150mm~160mm(about 5.9~6.3 inchlong, provides better stability and balance during quick operation to ensure position is intact..
  • 【long cutting edge】The extra long cutting edge(88-100mm) allows you using these bits to drill deep holesshape tips can make the drilling easier and more effortless..
  • 【5 sizes】This extra long twist drill bits set has 5pcs in 2mm, 3mm, 3.5mm, 4mm, 5mmOD..
  • 【high-speed steel】These long drill bits are made of high-speed steel for high hardness and durability,more abrasion resistant and durable than other metal materials..
  • 【application】HSS General Length Twist Drill Bits are widely used for drilling, such as metal, wood, etc..
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GMTOOLS 13Pcs Cobalt Drill Bits Set, M35 High Speed Steel, 135 Degree Tip, Twist Jobber Length Drill Bit Kit for Hardened Metal, Cast Iron, Stainless Steel, Plastic and Wood with Storage Case 1/16″-1/4″

  • Perfect Drill Bits: Precision grinding process for a clean surface and high grinding accuracy. Universal round drill shank, widely applicable of tool holding systems and tightly clamped.
  • 135° Split Point & Twist Design: The 135 degree fast cutting point is automatically centered and penetrates quickly with less pressure, reducing walking, fully ground drill bit with sharp and durable cutting edge. Twist design for clear chips faster.
  • Enhanced M35 Alloy Material: These drill bits contain 5% Cobalt, which increases wear resistance and durability. Industry grade 6542 high speed steel drill bit set, harder than 4241 HSS used in other similar drill bits set..
  • Set 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 and 1/4 inch bits.
  • Comes in plastic storage case for easy storage.
  • QUALITY COMMITMENT: If for any reason you are not satisfied with your purchase, please contact us. We provide 30-day money back. 100% Satisfaction Guarantee for risk-free shopping!.
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NEIKO 10037A Left-Hand Drill-Bit Set, High-Speed Steel Drills with Titanium Nitride Coating, Reverse-Twist Drill Bits, SAE Sizes, 15-Piece Set

  • TWIST DRILL-BIT SET: Each steel drill bit features an angled tip, a twist style, and a 135-degree split point for precise self-centering. Designed to increase cutting speed, these drill bits prevent walking to quickly clear chips and particles..
  • QUALITY TITANIUM BITS: These drill bits are constructed of high-speed steel with a titanium nitride coating, providing a high surface hardness to help penetrate tough materials. The steel also reduces friction between the bit and the workpiece..
  • VERSATILE LEFT-HAND PIECES: The special left-hand design is ideal for use with reversible drills with screw extractors to remove broken fasteners, screws, bolts, and studs during home repairs, automotive garage projects, professional work, and more..
  • THE RIGHT SIZE: Our versatile left-hand drill-bit kit is available in 5-piece, 13-piece, and 15-piece SAE sets. Choose the high-speed drill-bit set that fits your screw-extractor needs. Each set makes a great addition to automotive or home tools..
  • ALL-IN-ONE SET: This kit arrives with the drill bits arranged in a high-impact metal index storage case. Ea....
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105 Degree 1/4 Inch Right Angle Drill Adapter Hex Shank Screwdriver Angled Bit Holder

  • HEX NUT DRIVER SET OF DIFFERENT KINDS- The package includes 1pcs Bendable Drill Bit Extension, 3pcs 1/4 3/8 1/2" Universal Socket Adapter Set, 105° Right Angle Drill Adapter, 3pcs Screwdriver Bit Set..
  • FLEXIBLE DRILL BIT EXTENSION- This flexible shaft can be used for ordinary hand drill and electric drill. Bends, twist and turns to use drill into narrow spaces and dead ends..
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GMTOOLS 115Pcs Cobalt Drill Bits Set, M35 High Speed Steel, 135 Degree Tip, Twist Jobber Length Drill Bit Kit for Hardened Metal, Cast Iron, Stainless Steel, Plastic and Wood with Metal Indexed Storage Case, 1/16"-1/2"

  • 115 Pieces Set Includes: 29pcs Fractional Size: 1/16 to 1/2 inch bits in 1/64th increments.
  • Set includes the drill bit holder with size index for easy storage and organizing.
  • Perfect Drill Bits: Precision grinding process for a clean surface and high grinding accuracy. Universal round drill shank, widely applicable of tool holding systems and tightly clamped.
  • 135° Split Point & Twist Design: The 135 degree fast cutting point is automatically centered and penetrates quickly with less pressure, reducing walking, fully ground drill bit with sharp and durable cutting edge. Twist design for clear chips faster.
  • Enhanced M35 Alloy Material: These drill bits contain 5% Cobalt alloy steel, which increases wear resistance and durability. Industry grade 6542 high speed steel drill bit set, harder than 4241 HSS used in other similar drill bits set.
  • QUALITY COMMITMENT: If for any reason you are not satisfied with your purchase, please contact us. We provide 30-day money back. 100% Satisfaction Guarantee for risk-free shopping!.
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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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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)

  • 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 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 stuf....
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M35 5% Cobalt Metric Drill Bits Set (1mm-10mm/19pcs), Straight Shank Jobber Drill Bits, Metal HSS Twist Drill Bits for Stainless Steel Hard Metal and Cast Iron

  • ✅【5% COBALT TWIST DRILL BITS SET】Made from M35 Cobalt Steel with Molybdenum and Cobalt added to form a hardened alloy, can measure up to 67 Rockwell hardness, cut faster, last longer, and last longer than normal HSS drill bits 12 times..
  • ✅【19PCS METRIC DIRLL BITS SET】The set includes 19pcs of M35 cobalt steel twist drill bits: 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. Organized in a sturdy plastic storage case for easy transport to your workplace..
  • ✅【TWIST DESIGN AND PERFORMANCE】Precise 135° SPLIT Point, Gold Oxide Surface and Round Straight Shank. Prevents walking and removes chips and particles faster. Precision fully ground to ensure smooth chip movement..
  • ✅【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..
  • ✅【SERVICE】If you have any problem with our metric drill bit set or are not satisfied with the product, please feel free to contact WildBossy..
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Angle Gauge Drill Bits, 3Pcs S/S Angle Gauge Measurement Drill Sharpener Tool Set Including Drill Diameter, Drill Bits and General Angle Gauge with Case

  • Professional Measurement Tool: This is a practical set of angle gauge set in drill bits angle measuring and drill sharpener inspection.
  • Professional and Standard Parameters: 60 Degree cutting tool for the inspection of tooth‑shaped 55 degree angle and metric thread and inch thread, and also it can measure blade angles.
  • Comprehensive Angle Range: This set of drill bits gauge has a comprehensive angle range: 60 °, 70 °, 90 °, 110 °, 118 °, 125 °, 135 °, 150 ° and 160 °.
  • Suitable Utilization: Diameter drill front edge of the protractor 50 gauge 118 ° angle twist drills grinding gauge is suitable for 118 ° diameter of less than 50mm grinding twist drills.
  • Durable for Long-Time Use: Made of high quality stainless steel, this set of angle gauge has high hardness, and it is durable for long-time use.
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