7/8" X 3/8" Pilots for Counterbore BoltsandNuts.com Part Number DWDTS63/64

Part Number DWDTS63/64

Length Under Head: 3-3/4"

it also meets and exceeds the ASME standard • Serialized Certificates of Calibration – Each wrench includes a certificate that shows serial number

Part Number DWCT204

7/8" X 3/8" Pilots for Counterbore BoltsandNuts.com Part Number DWDTS63/64Product 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