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MATERIAL -
SCM440
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HARDNESS:
HRC 28° - 32°
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PRECISION-
ISO 4H
The series CR Locknut is designed with 3 Locking inserts that intersects the bore with an angle of 90 degree. This series is especially applicable for use when locknut space is limited. Aside from where other products are not usable due to space restrictions, locknut threads, clamping rim, trailing rim, and outer skirt are precision ground to conform to high precision requirements during high RPMs.