100 degrees countersink angle; shank 1/4 28 thd; drill 4 flutes 1/4 in. Taper per foot 0.906 in. Lg
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.
Classification: Drilling, threading or tapping tools and parts thereof, base metal
NSN 5910-01-455-5317
NSN 7035-01-321-1555
NSN 5930-01-586-5969
NSN 6145-00-401-3518
NSN 6110-01-179-3669
NSN 5985-01-589-0521
NSN 5960-01-219-5504
NSN 6610-00-180-4565
NSN 5990-01-623-0082
NSN 6240-01-159-2633
NSN 6130-01-025-9836
NSN 5985-01-096-7536