19/32" X 1/8" HSS Aircraft Counterbore 1/4" Shank Quantity:1 Attach an extension to your

Attach an extension to your drive tool to reach past obstructions or into tight spaces

Grade 8 Finished Hex Nut Zinc Yellow

Part Number: Assortment Kit #616324 Pieces

Part Number: EZ-303-5

It is recommended over the straight-flute for more difficult materials

19/32" X 1/8" HSS Aircraft Counterbore 1/4" Shank Quantity:1 Attach an extension to yourProduct 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