2-3/4" X 1/2" Pilot Hole HSS Straight Shank Counterbore Quantity:1 Part Number DWT54929

Part Number DWT54929

Part Number: Assortment Kit #2191141 Pieces

All of our 3/4 inch drive sockets

Part Number: BIT-T/A54727

Included sizes: 7/8"

2-3/4" X 1/2" Pilot Hole HSS Straight Shank Counterbore Quantity:1 Part Number DWT54929Product 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