2-3/4" X 1/2" Pilot Hole HSS Straight Shank Counterbore Quantity:1 a steel head with polished

a steel head with polished faces and black powder coat finish

Part Number DWRR1/4

and a stacking drawer rack

Overall Length: 3"

Part Number DWDMM14

2-3/4" X 1/2" Pilot Hole HSS Straight Shank Counterbore Quantity:1 a steel head with polishedProduct 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