Home / Drilling & Tapping / Tapping / Tap, Acme Tandem, 7/8″ – 6 TPI Right Hand View cart “Ettco Tool Company Tapping Head w/ Morse Taper #1 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 Snow Tapping Head A-21, MT #1 Shank w/ Morse Taper #2 Adapter $75.00 Add to cart Telco Tapping Head, MT #2, 0-10 Capacity, Model 189 $75.00 Add to cart Procunier #4 Tapping Head w/ Morse Taper #4 Shank $395.00 Add to cart Procunier #1E Tapping Head, 3/4″-16TPI Threaded Spindle $49.00 Add to cart