Best Cobalt Split Point Drill Bit Set

Lichamp 1/8" HSS Cobalt Drill Bits 10PCS with Three Flute for Hard Metal, Hardened Stainless Steel and Cast Iron

  • UNIQUE 3X FLUTE DESIGN - Lichamp three flute patent design drill bit clears chips and particles faster, provide you with more efficient drilling experience..
  • 4X LIFESPAN MATERIAL - Made from industrial grade M35 high-speed steel with 5% cobalt provides hardness for wear resistance, withstands max 1100 degreeF..
  • MULTIPLE APPLICATION - Ideal for drilling in heavy-duty tough metal, including hard abrasive alloy metal, hardened stainless steel or cast iron..
  • SMOOTHLY DRILLING - 135-degree split point tip & twist design increases cutting speed with self-centering and prevents skating starts or walking..
  • 1/8" COBALT DRILL BIT - Round straight shanks, include 10 pack 1/8-inch diameter hss drill bit with well organized clear ps case..
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Lichamp 1/2" HSS Cobalt Drill Bits 5PCS with Three Flute for Hard Metal, Hardened Stainless Steel and Cast Iron

  • UNIQUE 3X FLUTE DESIGN - Lichamp three flute patent design drill bit clears chips and particles faster, provide you with more efficient drilling experience..
  • 4X LIFESPAN MATERIAL - Made from industrial grade M35 high-speed steel with 5% cobalt provides hardness for wear resistance, withstands max 1100 degreeF..
  • MULTIPLE APPLICATION - Ideal for drilling in heavy-duty tough metal, including hard abrasive alloy metal, hardened stainless steel or cast iron..
  • SMOOTHLY DRILLING - 135-degree split point tip & twist design increases cutting speed with self-centering and prevents skating starts or walking..
  • 1/2" COBALT DRILL BIT - Round straight shanks, include 5 pack 1/2-inch diameter hss drill bit with well organized clear ps case..
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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 13PC Metric M35 Grade Cobalt Steel Twist Drill Bits – Metal Index Organizer Case and Straight Shank – 1.5mm to 6.5mm – Ideal for Drilling Cast Iron, Stainless Steel and Other Hard Materials

  • COBALT STEEL – Manufactured from M35 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, 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..
  • 13PC METRIC SET – The set includes 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. Well organized in a metal indexed storage case for easy transport to your worksite..
  • 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 ge....
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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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Drill Hulk 7-Piece M35 Cobalt Left Hand Drill Bit Set for Removing Damaged Bolts and Screws, 5/64-Inch, 7/64-Inch, 5/32-Inch, 1/4-Inch, 19/64-Inch

  • STUBBY MECHANICS LENGTH: 135 degree split point reduces drill walking, straight 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 removing damaged bolts and screws, or drilling a pilot hole for a screw extractor.
  • INCLUDE: 2pcs 5/64 inch, 2pcs 7/64 inch, 1pc 5/32 inch, 1pc 1/4 inch and 1pc 19/64 inch cobalt left hand drill bits with case.
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Lichamp 13PCS HSS Cobalt Drill Bits Set 1/16″ to 1/4″ with Three Flute for Hard Metal, Hardened Stainless Steel and Cast Iron

  • UNIQUE 3X FLUTE DESIGN – Lichamp three flute patent design drill bit clears chips and particles faster, provide you with more efficient drilling experience..
  • 4X LIFESPAN MATERIAL – Made from industrial grade M35 high-speed steel with 5% cobalt provides hardness for wear resistance, withstands max 1100 degreeF..
  • MULTIPLE APPLICATION – Ideal for drilling in heavy-duty tough metal, including hard abrasive alloy metal, hardened stainless steel or cast iron..
  • SMOOTHLY DRILLING – 135-degree split point tip & twist design increases cutting speed with self-centering and prevents skating starts or walking..
  • 13PCS DRILL BIT SET – Metal index case with size chart for easy bit access and identification. Includes drill bit sizes 1/16-inch to 1/4-inch in 1/64-inch increments..
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Drill Doctor DD750X 750X Drill Bit Sharpener for High-Speed Steel, Masonry, Carbide, Cobalt & Tin-coated Drill Bits with Adjustable Angles from 115° to 140°, Sharpens 3/32 – 3/4' Drill Bits gray/black

  • 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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XEWEA 35-Pieces Screw & Bolt Extractor Set and Drill Bit Kit, Easy Out Broken Lug Nut Extraction Socket Set

  • 35-PIECE Extractor/Drill Bit Set: 13pcs most commonly used multi-spline screw extractors,and 16pcs tough left hand cobalt drill bits,6pcs spiral screw extractors..
  • HSS with Titanium Nitride Coating Drill Bit:135 degree split point and twist design increases cutting speed with self-centering and prevents walking, clears chips and particles faster.NOTE: Cobalt drill bits should not be used for stainless steel..
  • Special Left Hand Design Dill Bit:Creates extra gripping power Unique design for use with screw extractors to remove broken Removes broken studs, bolts, socket screws, and fittings.Include 5/64",7/64",1/8",5/32",3/16",7/32",1/4",9/32",19/64",5/16",11/32",3/8",13/32",7/16",15/32",1/2"..
  • CRMO Material Damaged Screw Extractor:Our screw extractor is made of high quality higher quality chrome molybdenum steel(CR-MO). High hardness good toughness, higher strength than chrome vanadium steel.Easy out style spiral flutes embed themselves to increase grip as resistance increases.Multi-spline extractors in sizes: 1/8", 5/32", 3/16", 7/3....
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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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