Home / Drilling & Tapping / Tapping / Tap, Acme Tandem , 1″ – 5 TPI, Left Hand, USA Tap, Acme Tandem , 1″ – 5 TPI, Left Hand, USA$95.00 Category: Tapping Description Description 1”-5 Unipass 4flt. Left Hand Tandem Acme Tap Related products Die Head, Threading Threads, National Acme DS 1-5/8 $149.00 Read more Collet, 5/8″, 3E, Procunier $10.00 Read more Tap, Acme Tandem, 7/8″ – 6 TPI Right Hand $75.00 Read more Collet Set, Procunier #2, #6, 8, 10, 1/4″, 5/16, 3/8, 1/2 $49.00 Read more