7/8" X 7/16" Pilots for Counterbore Shopify Collective Part Number D/ARSD1-5/16

Part Number D/ARSD1-5/16

Part Number DWT54926

Hook-and-loop style strap secures the rolled up pouch closed

The bits are made of S2 steel and have a zinc-phosphate coating that resists corrosion

Mac Daddy JR Fastener Assortment - Farm Edition

7/8" X 7/16" Pilots for Counterbore Shopify Collective Part Number D/ARSD1-5/16Product 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