Home / Drilling & Tapping / Tapping / Tap, Pipe, 3/8″ 18 NPT HS, Wells Tap, Pipe, 3/8″ 18 NPT HS, Wells$19.00 Category: Tapping Description Description $19 Each Related products Die Set, Hex, 1/4″ to 1-1/2″, Coarse Thread, Mixed Manufacturers, USA $49.00 Read more Tap, Acme Tandem , 1″ – 5 TPI Right Hand, Widell USA $95.00 Read more Taps, Set of 3, 1″-12 NF, Cleveland (2 Available) USA $30.00 Read more Tap, Acme Tandem , 1″ – 5 TPI Right Hand $95.00 Read more