Hydraulic Withdrawal Sleeves


Locknut | KM, KML, HM, HMT, HML, KMP, KMFE


Also known as  known as a lock nut, locking nut, prevailing torque nut, stiff nut or elastic stop nut, is a nut that resists loosening under vibrations and torque Nairson’s Locknut | KM, KML, HM, HMT, HML, KMP, KMFE is a sleeve accessory that also has its own application, where parts in shafts or the set fixation is required.



Precision Lock Nuts | KMT, KMTA


High precision required machines and equipment need Precision Nuts | KMT, KMTA for bearings fixation like in lathes, grinding lathes and mills. These nuts have three brass pins to lock them on the shaft, divided in angles, which are pressed against the shaft by screws. While, Precision Nuts | KMT, KMTA pins inclination are equal to the thread angle, which are not exposed to axial loads, making the nut tightening at the exact grip position possible.

Other Products

Adapter Sleeve

Hydraulic Adapter Sleeve

Withdrawal Sleeve