JET 530554 - 18Mm-1.5 M2 H.S.S. Metric Plug Tap Replacement Parts Maximum hardness of material to

Maximum hardness of material to be cut: hrc 40

Three flat shank prevents slipping in chuck

This product manufactured in Japan

Rockwell hardness = hrc 55-59

JET 530554 - 18Mm-1.5 M2 H.S.S. Metric Plug Tap Replacement Parts Maximum hardness of material toMade of hardened and tempered m2 high speed steel for fast threading and long service life , Metric taps available in taper , plug and bottom chamfers to perform all threading applications. accurate threading provided by precision ground 3 or 4 flute design , Ideal for industrial applications (production work) as well as automotive , agri motive and machine shop applications , Rockwell hardness: hrc 62 64