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 5985-01-418-0804
NSN 6150-00-913-4917
NSN 6645-00-153-3834
NSN 6610-01-278-9704
NSN 5996-01-631-4606
NSN 6220-00-306-1806
NSN 6130-01-619-7734
NSN 5925-01-318-1082
NSN 6620-01-077-8033
NSN 5965-00-574-4445
NSN 6645-00-269-2764
NSN 6110-00-597-8072