These solid (not coated) cobalt drill bits retain their hardness up to 1000 degrees Fahrenheit making them ideal for drilling cast iron, heat-treated steel, stainless...
Arts Crafts & Sewing. Health & Personal Care. Gyros 45-31308 Industrial Grade Cobalt Reduced Shank 8-Pieces Drill Bit Set. Jobber Length Cobalt Drill Bit Set...
QUAD EDGE Tip delivers precision and stays sharper longer. Thicker tapered web design increases bit strength. VARIABLE HELIX flute on driver bit allows for rapid...
115 PIECE PREMIUM QUALITY COBALT DRILL BIT SET. THESE ARE NOT COATED DRILL BITS. THE REAL McCOY COBALT DRILL BITS. CUTS CAST IRON-HEAT TREATED STEEL-STAINLESS...
115 PIECE PREMIUM QUALITY COBALT DRILL BIT SET. THESE ARE NOT COATED DRILL BITS. THE REAL McCOY COBALT DRILL BITS. CUTS CAST IRON-HEAT TREATED STEEL-STAINLESS...