Guhring 9044073079380 Spiral Flute Tap: 5/16-18, UNC, 3 Flute, Modified Bottoming, 2B & 3B Class of Fit, Cobalt, Oxide Finish, Guhring, 9044073079380, Threading,
Guhring 9044120040000 Spiral Flute Tap: M4 x 0.70, Metric, 3 Flute, Modified Bottoming, 6H Class of Fit, Cobalt, TICN Finish, Guhring, 9044120040000, Threading,