5/8" 21/32" Continuous Pilot Capscrew Counterbore Quantity:1 Part Number: DUR107-95

Part Number: DUR107-95

Part Number D/ADIE3/8

Part Number DWRRSP3/8

Part Number: M16X80DPAPL

STI Tap: M3-0

5/8" 21/32" Continuous Pilot Capscrew Counterbore Quantity:1 Part Number: DUR107-95Product 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