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 5990-01-247-8277
NSN 5985-01-628-7342
NSN 6135-00-505-0679
NSN 6620-00-251-0569
NSN 6105-01-634-0322
NSN 6645-01-104-6540
NSN 5975-00-286-8506
NSN 5905-01-113-5288
NSN 5965-01-411-9933
NSN 6130-01-357-7918
NSN 5985-01-454-1422
NSN 5945-01-332-5636