Home / Drilling & Tapping / Tapping / Die Head, Geometric 5/16″ Die Head, Geometric 5/16″$149.00 Category: Tapping Description Description 5/16″ DS Geometric Die Head, 1/2″ Shank, Comes w/ 8-32 Dies, New Haven Connecticut Related products 1-13/16″ Hex Diameter Die Stock, Handle, 2 Available $19.95 Read more Tap, Acme, Roughing, 7/8″ – 6 TPI Right Hand $25.00 Read more Tap, Metric, M6 x 1 , OSG (58 Available) “New” $5.00 Read more Tap, Acme Tandem , 1/2″ – 10 TPI, Left Hand, Widdell, USA $49.00 Read more