27/64" X 5/32" Pilot Hole HSS Straight Shank Counterbore Quantity:1 Part Number T/A54935

Part Number T/A54935

The low-profile design of the wrench rack (with wrenches) fits into most shallow 3-inch tool cabinet drawers

Height: 21-9/16"

Part Number: BIT-POU5/8-18

3/8 inch to 1/4 inch drive reducer

27/64" X 5/32" Pilot Hole HSS Straight Shank Counterbore Quantity:1 Part Number T/A54935Product 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