M35 5% Cobalt Step Drill Bit 1/4 Inch Cone Hex Shank Spiral Groove Taper Point Metal Drill Bit Hole Cutter For Stainless Steel

M35 5% Cobalt Step Drill Bit 1/4 Inch Cone Hex Shank Spiral Groove Taper Point Metal Drill Bit Hole Cutter For Stainless Steel

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