1/2" HSS Solid Counterbore Quantity:1 Shank Size 11/64"

Shank Size 11/64"

9 Alloy Flat Socket Head Cap Screws Black Oxide Finish

Size 1/2"-100

ensuring smooth and continuous drilling

Part Number DWDTS53/64

1/2" HSS Solid Counterbore Quantity:1 Shank Size 11/64"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