1-15/16" X 7/16" Pilot Hole HSS Taper Shank Counterbore Quantity:1 round profile jaws and relatively

round profile jaws and relatively long handles

Part Number BRC3/8

Part Number DWDTN11/32

Part Number: BIT-DMS04-1014

1-15/16" X 7/16" Pilot Hole HSS Taper Shank Counterbore Quantity:1 round profile jaws and relativelyProduct 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