ReviewsCobalt Split Point Drill Bit Set

The Major Mandaean & Nasoraean Scriptures: in one volume (Nasrayim and Mandaean Sacred Scripture)

  • Sharpen multiple types of drill bits – high-speed steel, masonry, Cobalt, & tin-coated drill bits. Designed for the serious tool user, This professional, easy-to-use system makes it simple to keep a sharp, perfectly angled cutting edge on bits you use often.
  • Custom point angle sharpening – set any angle from 115° to 140° with cast aluminum point angle shuttle for added durability, A unique back-cut split-point bit an extra-narrow chisel point, making it faster to penetrate and less likely to wander on the material you are drilling in To.
  • Extend the life of your bits – from 3/32-inch to ¾-inch, create & remove split points & adjustable material take-off allows you to adjust the amount of material removed during sharpening.
  • 3-Year warranty - protects every Drill Doctor bit sharpener against defects due to workmanship or design, using a 115V machine in a location with 230V power sources voids the warranty.
  • Manufactured in Oregon - We design, engineer, & assemble our sharpening machines all under one roof in the USA.
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IRWIN Drill Bit Set, M35 Cobalt Alloy Steel Steel, 29-Piece (3018002)

  • Sizes 1/16 inch -1/2 inch in 1/64 inch increments, 135 Degree Split Point To Minimize Walk.
  • 5% Cobalt Alloy Steel For Higher Heat & Abrasion Resistance.
  • Heavy Duty Web Construction For Strength & Durability.
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Drill America - DWDCOFP12 F Cobalt Drill Bit (Pack of 12), DWDCO Series

  • 13 pc Set High Speed Steel M42 Cobalt NAS 907J 135-Degree Split Point.
  • 135-Degree split point for accurate centering and fast penetration.
  • Precision ground point, flutes, body, clearance and drill diameter for ultimate accuracy and performance.
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3/8 Inch Cobalt Drill Bits(5Pcs), HPHOPE M35 HSS Metal Twist Drill Bits Set, Jobber Drill Bits Length and Straight Shank, Suitable for Drilling in Hard Metal, Stainless Steel, Cast Iron

  • M35 COBALT HIGH SPEED STEEL: 3/8" drill bits for metal made from M35 Cobalt High Speed Steel and contain 5% Cobalt, which increases wear-resistance, durability and extra longer life span, so that the drill bits last through multiple uses..
  • 135° SPLIT POINT: 135°quick-cut pilot split points are self-centering and can penetrate quickly with less pressure. Straight shank allows for firmly holding and accurate centering and makes drilling precise and faster..
  • FULLY GROUND PROCESS: Fully ground spiral groove design clears particles quickly, decreases friction and heat for faster drilling performance..
  • PROFESSIONAL & WIDELY USE: Perfectly Suitable for drilling holes as Stainless Steel, Copper, Cast Iron, Galvanized Pipe, Aluminum Alloy, Wood and Other Softer Metals. Not for Glass or Ceramic Materials..
  • EASY USE & STORAGE: The set includes 5Pcs 3/8" Cobalt Drill Bits, This drill bit fits the majority of power drill currently on the market and come with a portable plastic case for easy storage and DIY, household maintenance and repair..
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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

  • [Various Sizes] 115 sets of drill bits include 29pcs Fractional Size:1/16” to 1/2” in 1/64th increments.
  • [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. 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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Drill Bits, 2/25 Inch(2mm) Cobalt Drill Bit Set (10pcs), M35 HSS CO Drill Bits for Drilling on Stainless Steel, Cast Iron, Sheet Metal(Brass)

  • Reliable Material: These drill bits are made of M35 material, includes 5% cobalt.
  • They have a longer service life than normal drills, durable in use.
  • Excellent Design: Precious 135-degree split-point design of the drill bit starts drilling immediately with less pressure and prevents “walking” across the work surface.
  • Wide Application: The cobalt drill bit set is ideal for drilling on stainless steel, cast iron, sheet metal, steel plate, angle iron, automobile spring steel and die steel.
  • Fine Workmanship: The blade with high surface finish and grinding precision is quite sharp.
  • 10pcs 2mm cobalt drill bits can maintain cutting life after resharpening.
  • Intimate After-Sales Service: Please feel free to contact us by e-mail if you have any issue about the item.
  • We will try our best to give you a satisfactory reply within 24 hours.
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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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Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal (1mm-10mm/19pcs)

  • Premium M42 8% Cobalt Steel ,68-70 HRC (Rockwell Hardness Scale) ,Usually Give the Best Heat,Wear and Chip Resistance and Long Tool Life..
  • 3 Steps Desigh for Cutting through Stainless Steel,Hard Metals,Aluminum,Plastic..
  • This Cobalt Drill Bit is Typically Capable of Running Three to Five 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..
  • The Sufficiently Sharp Bit Edge Can Cut the Metal Material into Long Strips of Iron Chips rather than Slowly Grinding Throng the Material with a Blunt Drill Bit..
  • 19Pcs 135 Degree Split Point Drill Bits Includes :1mm(length:3.4cm) 1.5mm 2mm 2.5mm 3mm 3.5mm 4mm 4.5mm 5mm(length:8.5cm) 5.5mm 6mm(length:9cm) 6.5mm 7mm 7.5mm 8mm(length:11.5cm) 8.5mm 9mm 9.5mm 10mm(length:13cm) [DIA 0.5mm Increments] ..
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Century Drill & Tool 74105 Cobalt Left Hand Drill Bit, 5 Piece Set

  • Industrial M35 Cobalt steel with 135-Degree split point.
  • Stubby mechanics length drill bit for additional strength.
  • 5 Piece Set includes 1/8", 3/16", 1/4", 5/16", and 3/8" left hand drill bits..
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XLCMSY Cobalt Drill Bit Set, M35 HSS Metric Straight Shank Twist Drill Heat Resistant Metal Drill Bits for Hard Metal, Stainless Steel, Hardened Steel, Cast Iron and Wood, 1.5-6.5mm (13 Pcs)

  • 【Heat Resistant】 This metric straight shank twist drill set is made of 5% cobalt high speed steel, adding molybdenum and cobalt to form a hardened alloy with a Rockwell hardness of 67, It is super heat resistant and wear resistance can cut hard metals quickly, suitable for drilling high hardness materials, up to 10 times life than ordinary HSS drill bits..
  • 【Safe & Eco-friendly】 High speed steel with 5% cobalt, durable, safe and eco-friendly, providing longer tool life and reducing environmental pollution, It is a very practical and user-friendly drill bit for cutting through hardened material, golden surface treatment holds up lubricant better for smoother drilling..
  • 【Lightweight & Durable】 Designed with a 135 degree split point, these metric drill bits are very lightweight, eliminating the need for a center punch, making cutting faster and less powerful, preventing walking and cutting stainless steel more precisely, thanks to its precision grinding inclined blade design, each bit ensures fast drilling with excellent chip removal..
  • 【Multiple Sizes & Widely Used】The metal drill bits set for steel ....
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1/4-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal, Stainless Steel, Pack of 12

  • JOBBER LENGTH: 1/4-inch cutting diameter, 2-3/4-inch flute length, 4-inch overall length, 135 degree split point, 3-flat shank.
  • MADE FROM HIGH-SPEED STEEL AND 5% COBALT: improve much higher heat resistance because of cobalt steel's high red hardness, provide strong durable performance compared to typical hss drill bits.
  • CAN BE REPEATEDLY SHARPENED AS NEEDED: cobalt drill bit's hardness is uniform throughout the entire material, so that can be repeatedly sharpened without damaging the cutting edge allowing it to drill more than hss drill bits.
  • APPLICATION: best used for drilling in hard metal, including stainless steel.
  • INCLUDE: 12 pieces of 1/4-inch cobalt drill bits with case.
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