Home / Drilling & Tapping / Tapping / Tap, Acme Tandem, 7/8″ – 6 TPI Right Hand View cart “Ettco 1-B Tapping Head, JT 6 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 Telco Tapping Head, MT #2, 0-10 Capacity, Model 189 $75.00 Add to cart Snow Tapping Head A-21, MT #1 Shank w/ Morse Taper #2 Adapter $75.00 Add to cart 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