Counterbore with a slow spiral drill fitted. |Tungsten Carbide Tipped for use in abrasive materials.
Specification:
D= 5/8 inch|D=15.9 mm|D2=1/4 inch|D2=6.35 mm|C=11 mm|Shank Diameter=1/4 inch hex
Specification:
D= 5/8 inch|D=15.9 mm|D2=1/4 inch|D2=6.35 mm|C=11 mm|Shank Diameter=1/4 inch hex
12 months