9/16" X 3/16" Pilot Hole HSS Straight Shank Counterbore BoltsandNuts.com Part Number: BIT-DWDRSD1-9/32

Part Number: BIT-DWDRSD1-9/32

Internal Thread: 3/8"-16

Unlike other torque wrench designs

Designed specifically for Tekton WCF90121 and will not fit other brands

Part Number: 87F500HCSSS

9/16" X 3/16" Pilot Hole HSS Straight Shank Counterbore BoltsandNuts.com Part Number: BIT-DWDRSD1-9/32Product 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