7/8" X 7/16" Pilots for Counterbore Quantity:1 Size 1-3/16"

Size 1-3/16"

Part Number: 37C200FSHCSB

Tapped Holes to Check Bolt & Screw Threads

Press both side handles in and lift up to remove the rack from the stack

and Military Aeronautical Pipe Thread Specification

7/8" X 7/16" Pilots for Counterbore Quantity:1 Size 1-3/16"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