Home / Drilling & Tapping / Tapping / Tap, 1/2″ 13 TPI, NC H8 Form B Gold Made in the USA Tap, 1/2″ 13 TPI, NC H8 Form B Gold Made in the USA$10.00 Category: Tapping Related products Tap, Metric, M6 x 1 , OSG (58 Available) “New” $5.00 Read more Die Head, Geometric 5/16″ $149.00 Read more Tapping Head, Ettco 1-B , JT 6 Shank $49.00 Read more Tapping Head, Telco MT #2, 0-10 Capacity, Model 189 $75.00 Read more