2-3/8" X 1/2" Pilot Hole HSS Taper Shank Counterbore Quantity:1 Part Number DWTS22X2

Part Number DWTS22X2

Part Number: VibraTite6122oz

Part Number: DOT-BRASS-1/4T-UNIONTEE

Part Number: BIT-SDS7810

Machine Screw Hex Nuts ASME B18

2-3/8" X 1/2" Pilot Hole HSS Taper Shank Counterbore Quantity:1 Part Number DWTS22X2Product 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