25Pcs Titanium Coated M42 Twist Drill Bit 8% High Cobalt HSS Drill Bit Set Industrial Grade 1-13mm for Stainless Steel Drilling

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  • 1.Using M42 high speed steel, 8% high cobalt, perfect for drilling hard material, such as stainless steel
  • 5.Can be used radial drill, bench drill or hand drill chuck for drilling operations
  • 4.High heat treated hardness 70-75 HRC

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