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, Metric, M10 x 1.25, OSG (48 Available) “New” $10.00 Read more Tap, Acme Tandem , 1″ – 5 TPI Right Hand, Widell USA $95.00 Read more Die Head, Geometric 5/16″ $149.00 Read more Geometric Die Head, 3/4″ Shank, Chaso 9/16″ ED $149.00 Read more