2-3/4" X 1/2" Pilot Hole HSS Straight Shank Counterbore Quantity:1 Part Number DWRR1/4

Part Number DWRR1/4

a steel head with polished faces and black powder coat finish

Part Number DWDMM14

Each wrench is permanently marked with a stamped marking for easy size identification

Overall Length: 3"

2-3/4" X 1/2" Pilot Hole HSS Straight Shank Counterbore Quantity:1 Part Number DWRR1/4Product 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