JIS MHRZ

Z-PRO

Roll Taps for Medium Hardness Carbon Steels

Specification

Coating

Recommended Tapping Speeds depending on Materials

Medium carbon steelsHigh carbon steelsAlloy steelsThermal refined steels
10中炭素鋼30 10高炭素鋼30 10合金鋼30 10調質鋼20
(m/min)(m/min)( m/ min)(m/min)

25〜35HRC Product Features ●Torque reduction is achieved from the new design and specifications. ●Tool life is dramatically improved with superb tool materials and coatings offering excellent wear resistance.

●Stable screw thread tapping in thermal refined material up to 35 HRC. ●The MHRZ roll form taps can be used with water soluble cutting fluid. Preventing

Benefits of Z-PRO dimensions interference

●A longer overall length enables a better supply of cutting fluid, resulting in excellent finish of internal threads.

Z-PRO dimensions

JIS dimensions

●Secures appropriate tool projection length to prevent interference with workpieces

Preventing

interference

Tapping to a

deep position

Tapping to a

deep position