35/64" X 3/16" Pilot Hole HSS Straight Shank Counterbore BoltsandNuts.com Size 3/4"-120

Size 3/4"-120

clear die-stamped size marking is easy to read and can’t wear off • Four detent grooves provide a secure connection with the drive tool and a drilled through-hole allows locking on with retaining pin • Polished

• Four Punch Types – Set includes pin

A spring-actuated pawl engages with well-defined teeth to hold the head in position

Length: 150MM

35/64" X 3/16" Pilot Hole HSS Straight Shank Counterbore BoltsandNuts.com Size 3/4"-120Product 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