1-7/8" X 7/16" Pilot Hole HSS Straight Shank Counterbore Quantity:1 Part Number DWRRSP7/64

Part Number DWRRSP7/64

Part Number DWDTS2-15/16

The Tekton 10-tool pliers organizer rack keeps pliers upright and organized

Part Number DMS73-1015

1-7/8" X 7/16" Pilot Hole HSS Straight Shank Counterbore Quantity:1 Part Number DWRRSP7/64Product 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