Home / Drilling & Tapping / Tapping / Tap, Acme Tandem , 1/2″ – 10 TPI, Left Hand, Widdell, USA Tap, Acme Tandem , 1/2″ – 10 TPI, Left Hand, Widdell, USA$49.00 Category: Tapping Related products Tap Head, Collapsible, 1-1/4″, Geometric $149.00 Read more Tap, Acme Tandem, 7/8″ – 6 TPI Right Hand $75.00 Read more 1-13/16″ Hex Diameter Die Stock, Handle, 2 Available $19.95 Read more Tapping Head, Procunier #1E 3/4″-16TPI Threaded Spindle $49.00 Read more