STROTON Cobalt Drill Bit Set (1/16-1/4 Inch, 13PCS), M35 High Speed Steel Twist Drill Bits for Stainless Steel, Hard Metal, Cast Iron, Plastic and Wood

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  • Premium M35 5% Cobalt Steel with 68 HRC - Made from Cobalt Ore from Our Own Mine, Usually Give the 3X Heat,Wear and Chip Resistance and 3X Tool Life.
  • Split Point Design and Fully Ground Process - Compared with Other Ordinary Drill Bits, This Drill Bits Set is Particularly Suitable for Heavy Duty Work, Such as Cutting through Stainless Steel,Steel Plate,Iron Sheet, Cast Iron and Hardwood, and Drilling Out Bolts Studs and Screws.
  • 13 Pieces Jobber Length Industrial Drill Bits Includes 1 16, 5 64, 3 32, 7 64, 1 8, 9 64, 5 32, 11 64, 3 16, 13 64, 7 32, 15 64, 1 4 DIA 1 64 Inch Increments
  • Sharp Drill Bit Edge - This Kind of Drill Bits Beast Can Even Cut Hardened Metal into Long Iron Bars, While a Dull Drill Bit Can Just Slowly Wear Through Metal.

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