Home / Drilling & Tapping / Tapping / Tap, Acme Tandem, 7/8″ – 6 TPI Right Hand View cart “Tapmatic 200X Non Reversible Tapping Head, 1/2″ Shank” has been added to your cart. Tap, Acme Tandem, 7/8″ – 6 TPI Right Hand$75.00 1 in stock Add to cart Category: Tapping Description Description Acme Tandem Tap, 7/8″ – 6 TPI Right Hand Related products Warner & Swaysey Turret Lathe Floating Tap Holder, 1-3/4″ Shank,M-4385 $25.00 Add to cart Tapmatic 200X Non Reversible Tapping Head, 1/2″ Shank $49.00 Add to cart Procunier #1E Tapping Head, 3/4″-16TPI Threaded Spindle $49.00 Add to cart STM JSN7 Tapping Head w/ R-8 Shank $149.00 Add to cart