15/16" X 1/2" Pilots for Counterbore Quantity:1 5/16"-18 Grade 8 Hex Cap

5/16"-18 Grade 8 Hex Cap Screws

Size m28 x 1

This set includes a modular wrench organizer that fits most toolbox drawers

Each hammer has a steel collar that provides overstrike protection

Part Number: 100C475HSBA325G/PT

15/16" X 1/2" Pilots for Counterbore Quantity:1 5/16"-18 Grade 8 Hex CapProduct 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