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Cobalt Left Hand Drill Bit Set (1/16"-1/4") 13PCS, M35 High Speed Steel Jobber Length Drill Bit Kit for Removing Broken Stubs, Bolts and Screws, Reverse Twist Drill Bits in Kuwait Cobalt Left Hand Drill Bit Set (1/16"-1/4") 13PCS, M35 High Speed Steel Jobber Length Drill Bit Kit for Removing Broken Stubs, Bolts and Screws, Reverse Twist Drill Bits in Kuwait Cobalt Left Hand Drill Bit Set (1/16"-1/4") 13PCS, M35 High Speed Steel Jobber Length Drill Bit Kit for Removing Broken Stubs, Bolts and Screws, Reverse Twist Drill Bits in Kuwait Cobalt Left Hand Drill Bit Set (1/16"-1/4") 13PCS, M35 High Speed Steel Jobber Length Drill Bit Kit for Removing Broken Stubs, Bolts and Screws, Reverse Twist Drill Bits in Kuwait Cobalt Left Hand Drill Bit Set (1/16"-1/4") 13PCS, M35 High Speed Steel Jobber Length Drill Bit Kit for Removing Broken Stubs, Bolts and Screws, Reverse Twist Drill Bits in Kuwait Cobalt Left Hand Drill Bit Set (1/16"-1/4") 13PCS, M35 High Speed Steel Jobber Length Drill Bit Kit for Removing Broken Stubs, Bolts and Screws, Reverse Twist Drill Bits in Kuwait

Cobalt Drill Bit Set 1/8" - 13PCS, M35 Twist Drill Bits Straight Shank, 1/8" High Speed Steel Drill Bits for Drilling in Hard Metal, Stainless Steel, Cast Iron

KWD 4
All electronics ship with US style plugs. You may need a voltage converter or a plug adapter.
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Special Features

  • ✅【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.
  • ✅【13PCS SAE DIRLL BITS SET】The set includes 13pcs drill bits. 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.

Description

Suitable for drilling stainless steel, hard metal, aluminum, copper, plastic and hardwood. The 3-step design enables accurate centering, suitable for woodworking operations requiring precision drilling. In addition, the cobalt design allows it to perform better in hardwood boreholes. Control the bit speed from 200 to 1000 RPM, making it easier to drill in stainless steel. High RPM does not improve drilling efficiency, but rather increases the heat between the bit and the workpiece, which may cause the bit to soften and the workpiece to harden. Drill bit diameter ≤5mm, speed (1000~700)5-10mm, speed (700~350)10-15mm, speed (350~202) use cutting fluid to make the drill bit more durable. Stainless steel tapping oil or engine oil is added to prevent the stainless steel from overheating and forming a very hard oxide layer.

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