SANLEETEK Countersink Drill Bit Set, Cobalt-plated Countersink Chamfer Deburring Tools for Stainless Steel Iron Aluminum Copper Metal Wood 6pcs (6.3/8.3/10.4/12.4/16.5/20.5mm), Round Shank

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  • Specification 6pcs in total 6.3 8.3 10.4 12.4 16.5 20.5mm; total length 45 50 50 56 60 63mm; working length 6 8 9 10 13 17mm, High-Speed Steel
  • Application For drilling (countersinking) and chamfering on various materials, including stainless steel (1mm thickness or less), copper, aluminum, wood, and plastic. (For stainless steel, it is recommended to reduce drilling speed for optimal results.)
  • 2-in-1 Functionality Combines drilling (countersinking) and chamfering in one step, saving time and effort
  • M35 Industrial-grade High-Speed Steel Exceptional hardness, sharpness, and wear resistance, ensuring a longer lifespan and reliable performance. Cobalt plated surface for anti-corrosion
  • Recommended Machine Corded Drill, cordless Drill, benchtop Drill. Use electric hand drill Minimum RPM 2000; Faster the RPM, longer the working life.

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