3/8" X 5/32" Pilot Hole HSS Taper Shank Counterbore Quantity:1 Part Number DEWCSK7/8-60

Part Number DEWCSK7/8-60

Part Number DWTSR112-111618

Part Number: DUR397-95

Length 14-1/8"

Part Number DWTSH7/16-18

3/8" X 5/32" Pilot Hole HSS Taper Shank Counterbore Quantity:1 Part Number DEWCSK7/8-60Product 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