Home / Drilling & Tapping / Tapping / Tap, Acme Tandem, 7/8″ – 6 TPI Right Hand Tap, Acme Tandem, 7/8″ – 6 TPI Right Hand$75.00 Category: Tapping Description Description Acme Tandem Tap, 7/8″ – 6 TPI Right Hand (2 Available $75.00 each) Related products Die Head, Threading Threads, National Acme DS 1-5/8 $149.00 Read more 1-13/16″ Hex Diameter Die Stock, Handle, 2 Available $19.95 Read more Taps, Set of 3, 1″-12 NF, Cleveland (2 Available) USA $30.00 Read more Die Head, Geometric 5/16″ $149.00 Read more