Counterbore with a slow spiral drill fitted. Tungsten Carbide Tipped for use in abrasive materials.
Specifications:
D1 3/16 inch
D1 4.75 mm
D2 1/2 inch
D2 12.7 mm
Shank Diameter 1/4 inch.
Counterbore with a slow spiral drill fitted. Tungsten Carbide Tipped for use in abrasive materials.
Specifications:
D1 3/16 inch
D1 4.75 mm
D2 1/2 inch
D2 12.7 mm
Shank Diameter 1/4 inch.
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