3/4" X 5/16" Pilots for Counterbore Shopify Collective Shank Size 23/32"

Shank Size 23/32"

Part Number DWRRHDE7/8

Riveting Capacity:

Part Number: BIT-DWDCO27/32

Part Number DWRR21/32

3/4" X 5/16" Pilots for Counterbore Shopify Collective Shank Size 23/32"Product 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