9/32" X 3/32" Pilot Hole HSS Taper Shank Counterbore BoltsandNuts.com Part Number: EZ-329-601

Part Number: EZ-329-601

Part Number DWTSR1-71672

Part Number DWDBL49/64

This wrench rack is designed for Tekton 1/4–3/4 inch (SAE) combination wrenches and may not fit other brands or types of wrenches

9/32" X 3/32" Pilot Hole HSS Taper Shank Counterbore BoltsandNuts.com Part Number: EZ-329-601Product 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