Four flues; h1 thread limit; ground thread; taper chamfer
An internal threading tool with longitudinally separated cutting edges designed to form specific threads.
Classification: Tools for tapping or threading, parts thereof, of base metal
NSN 5985-01-147-5238
NSN 5910-01-206-7264
NSN 4140-01-149-4803
NSN 6145-01-513-5069
NSN 5920-00-765-2867
NSN 6650-00-283-0978
NSN 5920-01-029-3813
NSN 5996-01-521-6709
NSN 7035-00-270-5519
NSN 6240-01-118-1734
NSN 5999-01-451-3076
NSN 6645-00-166-7926