29/32" X 3/16" HSS Aircraft Counterbore 1/4" Shank Quantity:1 8 Hex Flange Screws and

8 Hex Flange Screws and Flange Nuts

Part Number SDS3412

Part Number: BIT-SDS7326

Part Number: BIT-DWDMM10

This set includes 1/16

29/32" X 3/16" HSS Aircraft Counterbore 1/4" Shank Quantity:1 8 Hex Flange Screws andProduct 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