5/8" X 3/8" Pilots for Counterbore Quantity:1 Flute Length 2-1/8"

Flute Length 2-1/8"

• Engineered for use with impact drivers • 3

Part Number DMO1/4SPADE

Part Number TSC1/2-6

Size m40 x 1

5/8" X 3/8" Pilots for Counterbore Quantity:1 Flute Length 2-1/8"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