Description:

Externally threaded shank style, 0.250 inches nominal thread diameter, straight reamer features provided, 28 per inch thread quantity.

Properties:

A tool consisting of any combination of drill, pilot drill, reamer, countersink, or counterbore. It is designed to form a hole for fasteners with a specific grip length and machined to a close tolerance to provide a drive fit. The tool has a shank requiring a special tool holder to be used in a power feed hand drilling machine or a power feed drill press.