7/16" HSS Solid Counterbore Shopify Collective Part Number DWDDL12X55/64X1/2

Part Number DWDDL12X55/64X1/2

Part Number: EZ-41220

Part Number: BIT-KFD13/32

Part Number: EZ-30570

Part Number DWTSQNPT2X4

7/16" HSS Solid Counterbore Shopify Collective Part Number DWDDL12X55/64X1/2Product 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