YZH HSS-CO Extra-long Twist Drill Bits Cobalt M35 100-300mm Diameter D1.6~D7.4mm For Stainless steel/Iron/Copper/Aluminum/Wood

YZH HSS-CO Extra-long Twist Drill Bits Cobalt M35 100-300mm Diameter D1.6~D7.4mm For Stainless steel/Iron/Copper/Aluminum/Wood

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