27/64" X 5/32" Pilot Hole HSS Straight Shank Counterbore Quantity:1 Part Number DWRRE13/32

Part Number DWRRE13/32

Part Number: EZ-SK21115

Part Number D/ASTCO43/64

square dies provide durability and accurate threading

27/64" X 5/32" Pilot Hole HSS Straight Shank Counterbore Quantity:1 Part Number DWRRE13/32Product 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