Home / Drilling & Tapping / Tapping / Tap, Acme Tandem, 7/8″ – 6 TPI Right Hand View cart “STM JSN7 Tapping Head w/ R-8 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 Procunier #3 Tapping Head, Morse Taper #3 Shank, Fits Clausing 20″ Drill $249.00 Add to cart Commander Select-A-Spindle Multi Spindle Tapping Head, No Driver $95.00 Add to cart Procunier #4 Tapping Head w/ Morse Taper #3 Shank $195.00 Add to cart Procunier 1E Tapping Head Morse Taper #2 Shank $75.00 Add to cart