3/4" X 1/2" Pilots for Counterbore Quantity:1 Size: 3/8" Tube to 1/4"

Size: 3/8" Tube to 1/4" NPT

Part Number: Assortment Kit #1791149 Pieces - Fine Thread

Size: 1/2" Tube

and 1/4 inch drive to 3/8 inch drive • Multiplies the range and capability of your socket system • Spring-loaded detent ball securely latches onto sockets

3/4" X 1/2" Pilots for Counterbore Quantity:1 Size: 3/8" Tube to 1/4"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