1/2" 17/32" Continuous Pilot Capscrew Counterbore BoltsandNuts.com Part Number: BIT-SDS5166

Part Number: BIT-SDS5166

Part Number D/ACT14

Part Number DULSM5

Number of Compartments: 30

Part Number: BIT-DWTS1-8

1/2" 17/32" Continuous Pilot Capscrew Counterbore BoltsandNuts.com Part Number: BIT-SDS5166Product 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