WONAIER Cobalt Drill Bits 4.2mm/0.165" (10Pcs), M35 Jobber Length Twist Drill Bits Double Ended, Stubby Body HSS Drill Bits for Metal, Stainless Steel, Cast Iron, Plastic and Wood

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  • DOUBLE END DRILL BIT SIZE 10 pcs Cobalt Drill Bit Set,7 sizes to choose from.
  • MATERIAL double end drill bit made of high-speed steel and 5% COBALT,HSS Cobalt Material is the best hardened material for drilling longest life.
  • WIDELY APPLICATION Drill through stainless steel,cast iron, copper,aluminum alloy and other metal materials hard plastics and woods.
  • 135 DEG. ANGLE with 135 degree self-centering tip, walking and makes drilling precise and faster. No center punch is needed,helping you to drill through surfaces with ease.

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