Counterbore with a slow spiral drill fitted. Tungsten Carbide Tipped for use in abrasive materials. D=3/16 inch D=4.75 mm D2=1/2 inch D2=12.7 mm Shank Diameter=1/4 inch inch
Counterbore with a slow spiral drill fitted. Tungsten Carbide Tipped for use in abrasive materials. D=3/16 inch D=4.75 mm D2=1/2 inch D2=12.7 mm Shank Diameter=1/4 inch inch
