1/4" HSS Solid Counterbore BoltsandNuts.com Part Number: DUR921-95

Part Number: DUR921-95

Part Number DWRR49

Part Number: 75C400HCSSS/316

18-8 Stainless Steel Socket Head Cap Screws

Part Number DWC10MM-2FSE

1/4" HSS Solid Counterbore BoltsandNuts.com Part Number: DUR921-95Product 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