29/32" X 3/16" HSS Aircraft Counterbore 1/4" Shank Quantity:1 and a 90-tooth quick-release ratchet

and a 90-tooth quick-release ratchet in a Mini Stacking Tool Box

These bits are essential for efficient and accurate fastening in construction

This set includes 1/4 inch drive 3/4

Part Number DWDCO59/64

Size: 1-7/16"

29/32" X 3/16" HSS Aircraft Counterbore 1/4" Shank Quantity:1 and a 90-tooth quick-release ratchetProduct 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