25/32" X 1/4" Pilot Hole HSS Straight Shank Counterbore BoltsandNuts.com Part Number D/ADIE11/16

Part Number D/ADIE11/16

Part Number: 62C450BCGSS/316

Part Number DWCC424

Part Number: VibraTite123250ml

Part Number DWTHX789

25/32" X 1/4" Pilot Hole HSS Straight Shank Counterbore BoltsandNuts.com Part Number D/ADIE11/16Product 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