Counterbore with a slow spiral drill fitted. Tungsten Carbide Tipped for use in abrasive materials. D=5/32 inch D=4 mm D2=3/8 inch D2=9.5 mm Shank Diameter=1/4 inch hex
Counterbore with a slow spiral drill fitted. Tungsten Carbide Tipped for use in abrasive materials. D=5/32 inch D=4 mm D2=3/8 inch D2=9.5 mm Shank Diameter=1/4 inch hex
