13 Piece Cobalt HSS-Co Drill Bit Set for Stainless Steel Inox 5% M35 Metal Sheet
These Quality Sets can be Re-Sharpened Over and Over Again without having the Worry of Grinding Off the Cobalt Coating. Super High Quality HSS-Co 5% M35 Cobalt Bits. Suitable For Hardened High Tensile Steels Including Stainless Steels!