Reviews Bosch Co11piece Plastic Cobalt Drill Bit Sets

GMTOOLS 1/4 inch Cobalt Drill Bits, M35 HSS, 135 Degree Tip, Jobber Length Twist Drill Bit Set for Hard Metal, Stainless Steel, Cast Iron, Wood and Plastic, with Storage Case, Pack of 10

  • Packaging: 10 pcs Cobalt Drill Bit Set , Diameter 1/4”(Dia 6.35mm) , Flute Length 2-3/4”(69.85mm) , in a sturdy plastic case for easy storage and carrying..
  • 1/4″ M35 Material Cobalt drill bits: 1/4″ drill bits for metal is made of Industry grade M35 High Speed Steel, containing 5% cobalt, which increases drill bit wear-resistance, durability and heat resistance..
  • 135 Degree Tip Twist Design: precise positioning, lower pressure, fast penetration. Equipped with a straight shank to prevent walking, making drilling more precise and fast,clears particles quickly, decreases friction and heat..
  • Feature：cobalt drill bit’s hardness is uniform so that can be repeatedly sharpened without damaging the cutting edge, suit for hard metals, stainless steel, cast iron, galvanized pipe, high temperature alloy, titanium alloy, woods and hard plastics..
  • 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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VTEVER Cobalt Drill Bit Set M35 HSS 13-Piece Jobber Drill Bit Kit for Stainless Steel,Hard Metal,Cast Iron and Wood Plastic,1/16\-1/4\…

  • ...d to save bulk and easy to store. The box is marked with the inch size of each drill bit, from 1/16 inch to 1/4 inch, for easy access.
  • 【Widely application】: This set of twist drill is especially suitable for drilling in stainless steel, cast iron, copper, aluminum alloy and other metal materials.
  • for drilling in plastic, wood and so on. Convenient 13-piece set to meet your work needs, suitable for home renovation DIY and general industrial applications..
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Gunsmithing At Home For Beginners And Novices

  • 49-PIECE MULTIFUNCTIONAL SET- 13+1pcs nut remover set and 3/8"-1/4" hex adapter, 6pcs spiral screw extractors, 13pcs multi-spline screw extractors, and 16pcs left hand cobalt drill bits..
  • VARIOUS SPECIFICATIONS AND SIZES- The set contains four types of 49 models of parts including metric and imperial sizes such as: 13mm, 9/16", 5/8", 17mm, 11/16", 3/4". You can choose the suitable size according to the size of your fasteners to meet various job requirements..
  • HIGH CARBON STEEL AND HSS MATERIAL-The set is made of High carbon steel and HSS materials. The spiral pattern design can provide sufficient gripping force to facilitate removal. High-quality materials can be used for fasteners of various metals. Please note: Cobalt drill bits should not be used for stainless steel..
  • WIDE RANGE OF APPLICATIONS- Spiral flute extractors are perfect for common fasteners. The mult-spline extractors are useful for higher torque and lower profile tools, while the bolt extractors are for freeing partly-exposed fasteners. The kit also includes a left cobalt drill bit for fasteners, which can be used to help drill t....
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AMOOLO 3/16' Cobalt Drill Bits(10Pcs), M35 High Speed Steel Jobber Length Twist Drill Bit Set for Hardened Metal, Stainless Steel, Cast Iron, Plastic and Wood

  • 【10Pcs 3/16" Cobalt Drill Bits】10Pcs - 3/16”(Dia 4.76mm) x2-5/16”(Flute Length 58.74mm) Metal 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 organization..
  • 【M35 Cobalt High Speed Steel】Industry grade 6542 high speed steel drill bit set, harder than 4241 HSS used in other similar drill bits set. These drill bits also contain 5% Cobalt, which increases wear-resistance and durability..
  • 【Fully Ground Process & 135° Split Point】Fully ground spiral groove design clears particles quickly, decreases friction and heat for a faster and cooler drilling performance. 135° split point with straight shank prevents walking and makes drilling precise and faster. No center punch is needed..
  • 【Multiple Application】Perfectly suitable for cutting through Hard Metal such as Stainless Steel, Steel, Sheet Metal and Cast Iron as well as Plastic, Aluminum Alloy, Wood and Other Softer Metals. ✔ Pay attention to speed, pressure and heat control during drilling..
  • 【90 Days Warranty】If you are not fully satisfied for any reason, please contact us for 100% refund or replacement..
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AMOOLO 1/8' Cobalt Drill Bits(10Pcs), M35 High Speed Steel Jobber Length Twist Drill Bit Set for Hardened Metal, Stainless Steel, Cast Iron, Plastic and Wood

  • 【10Pcs 1/8" Cobalt Drill Bits】10Pcs - 1/8”(Dia 3.18mm) x1-5/8”(Flute Length 41.28mm) Metal 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 organization..
  • 【M35 Cobalt High Speed Steel】Industry grade 6542 high speed steel drill bit set, harder than 4241 HSS used in other similar drill bits set. These drill bits also contain 5% Cobalt, which increases wear-resistance and durability..
  • 【Fully Ground Process & 135° Split Point】Fully ground spiral groove design clears particles quickly, decreases friction and heat for a faster and cooler drilling performance. 135° split point with straight shank prevents walking and makes drilling precise and faster. No center punch is needed..
  • 【Multiple Application】Perfectly suitable for cutting through Hard Metal such as Stainless Steel, Steel, Sheet Metal and Cast Iron as well as Plastic, Aluminum Alloy, Wood and Other Softer Metals. ✔ Pay attention to speed, pressure and heat control during drilling..
  • 【90 Days Warranty】If you are not fully satisfied for any reason, please contact us for 100% refund or replacement..
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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

  • ...t 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..
  • 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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STROTON Metric M42 8% Cobalt Drill Bits Set Titanium Nitride Coated 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 and Hardwood. The Sufficiently Sharp Bit Edge Can Cut the Metal....
  • True Titanium Nitride Coated Increases the Bit Surface and Metal Lubrication,Conducive to Chip Removal,Reduce Heat Increase..
  • 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....
  • 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....
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3/32-Inch Cobalt Steel M35 Jobber Length Twist Drill Bits for Hard Metal, Stainless Steel, Pack of 12

  • JOBBER LENGTH: 3/32-inch cutting diameter, 1-1/4-inch flute length, 2-1/4-inch overall length, 118 degree point, 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 drilling in hard metal, including stainless steel.
  • INCLUDE: 12 pieces of 3/32-inch cobalt drill bits with case.
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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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