7/8" X 3/8" Pilots for Counterbore BoltsandNuts.com Size 1-5/16"-12

Size 1-5/16"-12

creating a solid connection that is stronger and straighter than simply pressing the shank into a premade handle • Torx Tip – Our Torx tips are precisely machined to fit the six-point star pattern of Torx screws

Part Number: BIT-DAM316712

Size 1-1/2"-90

Part Number DWRR23/32

7/8" X 3/8" Pilots for Counterbore BoltsandNuts.com Size 1-5/16"-12Product 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