US$ 149.99
Part Number DMS70-0060
Part Number GLBCOX1232
Part Number: BIT-T/A54923
1079 Pieces - Fine Thread
Part Number: BIT-VAC3
7/8" 15/16" Continuous Pilot Capscrew Counterbore Quantity:1 Part Number DMS70-0060Product Description Counterboring is the enlargement of a portion of a hole that has previously been formed. If the counterbored portion is shallow (1 8" or less), the operations is usually known as spot facing; for example, a flat seat for a bolt head or nut. If, on the other hand, the hole is enlarged to a considerable depth, it is designated as counterboring. These counterbores are made of two piece construction, having an integral shank and