1-1/8" X 1/2" Pilots for Counterbore Quantity:1 High-contrast size markings are printed

High-contrast size markings are printed on the top of the rail

Size m16 x 1

Part Number: 62C350SHCSSS

Diameter: M4-0

Internal Diameter: 3/8"-16

1-1/8" X 1/2" Pilots for Counterbore Quantity:1 High-contrast size markings are printedProduct 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