5/16-18 NC. 6" Extra Long.
6-32 X 6" NC OAL Plug Pulley Hand Tap A1 120-00632 NC HSS RH 4FLUTE 6/32
5/16-18 X 6" NC OAL Plug Pulley Hand Tap DWTET5/16-18 RH 4FL B by Drill America
8-32 X 6" NC OAL Plug Pulley Hand Tap A1 120-00832 HSS RH 4FLUTE 8/32
1/4-20 X 6" NC OAL Plug Pulley Hand Tap A1 120-01620 HS RH 4FLUTE
10-24 X 6" NC OAL Plug Pulley Hand Tap A1 120-01024 HSS RH 4FLUTE 10/24
5/16-18 X 6" NC Plug Extension Tap Small Shank A1 120-42018 HSS 4FL Spiral Point
