3/4" X 1/4" Pilot Hole HSS Taper Shank Counterbore Shopify Collective Each key slot in the

Each key slot in the 18 gauge steel stand has a stamped size marking for quick size identification

Length 11700mm

Part Number: BIT-D/APL

The ends of the extensions have a through hole that requires a retaining pin and ring to securely connect to a socket or another accessory

Part Number DWRRTSSP19/32

3/4" X 1/4" Pilot Hole HSS Taper Shank Counterbore Shopify Collective Each key slot in theProduct 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