5/8" X 7/16" Pilots for Counterbore Shopify Collective Part Number DWTSMR2-21X1

Part Number DWTSMR2-21X1

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

Part Number: M16C50ASBA2

Part Number D/ARSD1-23/64

5/8" X 7/16" Pilots for Counterbore Shopify Collective Part Number DWTSMR2-21X1Product 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