1/4" BSF HSS Taper Hand Tap Sutton FLO-942540 1/2" (90mm) BLOCKDUALMF
Yard notes & kiln story
Description
1 4" BSF HSS Taper Hand Tap Sutton FLO 942540 1 2" (90mm) BLOCKDUALMF 1 2" (90mm) triangular rule for starting threads either second or bottoming taps should used after to achieve desire thread depth For producing precision threads by hand tapping