FOCSTOL Countersink Drill Bit Set - Titanium Countersink Chamfer Deburring Tool Set with Round Shank for Stainless Steel Copper Aluminum Wood Plastic 6pcs (6.3/8.3/10.4/12.4/16.5/20.5mm)

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  • Recommended Machine-----Corded Drill, Cordless Drill, Benchtop Drill. Use electric hand drill Recommended speed not less than 2000RPM; Faster the RPM, longer the drill bit's working life. When use Angle Grinder, please install angle grinder drill chuck
  • Application-----Drilling (countersinking) and chamfering of surfaces of stainless steel (1MM thickness and below), copper, aluminum and other metals, wood and plastics (slower drilling speed is recommended for stainless steel). Continuous cutting is recommended to use cutting oil or water cooling can greatly extend the service life
  • Three-edged Design and High Quality Material-----Fast chip removal and heat dissipation. M2 high speed steel material, high hardness, high sharpness, high wear resistance, extended service life. Titanium plated surface, anti-corrosion

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