5/8" X 7/16" Pilots for Counterbore Shopify Collective • Hex bit holder adapts

• Hex bit holder adapts any 1/4 inch hex shank bit to 3/8 inch drive ratchets

Part Number: assortment-kit-370305 Pieces - Coarse Thread

Part Number: 62C600WA2G

Part Number DWTSMR2-21X1

5/8" X 7/16" Pilots for Counterbore Shopify Collective • Hex bit holder adaptsProduct 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