Home / Drilling & Tapping / Tapping / Tap, Acme Tandem, 7/8″ – 6 TPI Right Hand 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 Ettco 1-B Tapping Head, JT 6 Shank $49.00 Add to cart Procunier #4 Tapping Head w/ Morse Taper #3 Shank $395.00 Add to cart Procunier #3 Tapping Head, Morse Taper #3 Shank, Fits Clausing 20″ Drill $249.00 Add to cart Procunier #4 Tapping Head w/ Morse Taper #4 Shank $395.00 Add to cart