Home / Drilling & Tapping / Tapping / Die Head, Threading Threads, National Acme DS 1-5/8 Die Head, Threading Threads, National Acme DS 1-5/8$149.00 Categories: Attachments & Tooling, Tapping Description Description National Acme ThreadingHead w/ 3/4-16 NF Dies, 1-1/2″ Shank, OAL 10″, 23 Pounds Related products Tap Set, Lot 1-1/4″ 1-1/8″ 1-1/2″ Supertanium USA $59.00 Read more Tap, Pipe, 1-1/2″ x 11-1/2 NPTF 7 Flute, 4-1/4″ OAL, USA $30.00 Read more Tapping Head, Ettco 1-B , JT 6 Shank $49.00 Read more Collet, 5/16″, 3E, Procunier $10.00 Read more