37/64" X 3/16" Pilot Hole HSS Straight Shank Counterbore BoltsandNuts.com Tekton shallow 12-point sockets are

Tekton shallow 12-point sockets are an exact fit for double hex fasteners and also work with hex and square shapes

Part Number DWDA/CX67/16

Depth: 5" Deep

18-8 (304) Stainless Steel Hex Cap Screws

Part Number DWTMR2-22X1

37/64" X 3/16" Pilot Hole HSS Straight Shank Counterbore BoltsandNuts.com Tekton shallow 12-point sockets areProduct 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