Counterbore with a slow spiral drill fitted. |Tungsten Carbide Tipped for use in abrasive materials.
Specification:
D= 3/8 inch|D=9.5 mm|D2=3/16 inch|D2=4.75 mm|C=8 mm|Shank Diameter=1/4 inch hex
Specification:
D= 3/8 inch|D=9.5 mm|D2=3/16 inch|D2=4.75 mm|C=8 mm|Shank Diameter=1/4 inch hex
12 months