9/16" X 3/16" Pilot Hole HSS Taper Shank Counterbore Quantity:1 Overall Length: 3-1/8"

Overall Length: 3-1/8"

Size m39 x 1

Part Number: 75CFHNB

Part Number DEWEZS1-6W/DRL

Tekton shallow and deep impact sockets have both a high-visibility laser marking and a permanent stamped marking that won't wear off

9/16" X 3/16" Pilot Hole HSS Taper Shank Counterbore Quantity:1 Overall Length: 3-1/8"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