7/32" X 3/32" Pilot Hole HSS Straight Shank Counterbore Shopify Collective Part Number DEWCHAT1/2-82

Part Number DEWCHAT1/2-82

Part Number: BIT-T/A54511

Part Number DWTH3-1187

Part Number: BIT-DWDCO43/64

Wrench Size: 1-7/16"

7/32" X 3/32" Pilot Hole HSS Straight Shank Counterbore Shopify Collective Part Number DEWCHAT1/2-82Product 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