13/16" X 1/4" Pilot Hole HSS Straight Shank Counterbore Quantity:1 Part Number DWTST1-1/4-24P

Part Number DWTST1-1/4-24P

Part Number DWTET8X5/16-18

This set includes a lidded drawer with an 8-cavity parts tray

Part Number: BIT-T/A54848

13/16" X 1/4" Pilot Hole HSS Straight Shank Counterbore Quantity:1 Part Number DWTST1-1/4-24PProduct 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