This lock nut has three no. of locking inserts place at an angle of 30 deg w.r.t. the bore of the locknut. The accuracy class of the threads is 4H. The sizes available are from M-10 to M250.

This lock nut has three no. of locking inserts place at an angle of 90 deg w.r.t. the bore of the locknut. The accuracy class of the threads is 4H. The sizes available are from M-10 to M250.

This locknut is locked with the means of bolts provided on the face. This locknut has two grooves one on the outer dia and one n the inner dia of the locknut. Due to this unique design the locknut acquire a diaphragm like structure. The accuracy class of the threads is 4H. The sizes available are from M-10 to M250.

DUROFLEX Helical beam coupling

• Hub clamping by integral clamp
• Hub clamping by grub screws

V V MUJUMDAR Flexible Coupling Lamina