5/8" X 1/2" Pilots for Counterbore BoltsandNuts.com Drill Size: 17/32"

Drill Size: 17/32"

Part Number MMO7/64-4FDE-ST-BN

Tekton adjustable wrenches feature a 0 to 1-1/2 inch (0 to 38 mm) jaw capacity with high-contrast

Size 5/16"-72

Part Number: DUR013-95

5/8" X 1/2" Pilots for Counterbore BoltsandNuts.com Drill Size: 17/32"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