FOCSTOL Countersink Drill Bit Set - Cobalt 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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  • Three-edged Design and High Quality Material-----Fast chip removal and heat dissipation. M35 high speed steel material, high hardness, high sharpness, high wear resistance, extended service life. Cobalt plated surface, anti-corrosion
  • 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
  • Functions 2 in 1-----Drilling (countersinking) and chamfering in one step, saving processing steps and processing time. Comprehensive specifications, a variety of sizes, to meet the customer's processing needs of a variety of materials and different diameters
  • Recommended Machine-----Corded Drill, Cordless Drill, Benchtop Drill. It is recommended to reduce the drilling speed when drilling stainless steel

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