Sizes: 1/4"-20, 5/16"-18, 3/8"-16, 7/16"-14, 1/2"-13, 9/16"-12.
Lang NC SAE Rethreading Die Set Thread Restore 7pc 1/4"-20 to 5/8"-11 USA Made
Lang NF SAE Rethreading Die Set Thread Restore 7pc 1/4"-28 to 5/8"-18 USA Made
Lang NF SAE Rethreading Tap Set Thread Restore 6pc 1/4"-28 to 9/16"-18 USA Made
Lang 2586 NF SAE Rethreading Tap Set Thread Restore 6pc 1/4"-28 to 9/16"08
Lang 2586 Die Rethreading Set, National Fine Thread Repair Tool Kit, 7-Pieces
CENTURY 95103 1/4" - 20 NC SAE HIGH CARBON ALLOY PLUG TAP
