5/16" X 3/32" Pilot Hole HSS Taper Shank Counterbore Quantity:1 Part Number DULSH7

Part Number DULSH7

Part Number SDS3418

a measure of strength verified by a single-cycle test that applies torque until the specified value is reached without failure or permanent deformation

Part Number DWTMR112-8X1

Part Number: EZ-SK30915

5/16" X 3/32" Pilot Hole HSS Taper Shank Counterbore Quantity:1 Part Number DULSH7Product 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