5/8" X 3/16" Pilot Hole HSS Taper Shank Counterbore Quantity:1 Countersink Angle: 82 Degrees

Countersink Angle: 82 Degrees

Part Number DWDRSD22

Part Number DWTMHX30X2

Part Number DWCT326

Part Number DWRR9/64

5/8" X 3/16" Pilot Hole HSS Taper Shank Counterbore Quantity:1 Countersink Angle: 82 DegreesProduct 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