1-13/16" X 7/16" Pilot Hole HSS Straight Shank Counterbore Quantity:1 Part Number: BIT-VAC4

Part Number: BIT-VAC4

Part Number: DUR005-95

Tekton insulated pliers and screwdrivers have insulated handles to protect against electrical shock for voltages up to 1000 V AC and 1500 V DC

Part Number DEWSFC1-100

Part Number DWCT332

1-13/16" X 7/16" Pilot Hole HSS Straight Shank Counterbore Quantity:1 Part Number: BIT-VAC4Product 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