HM lock nuts with metric trapezoidal threads are used to locate bearings onto a shaft. They have eight equally spaced slots located around their circumference to accommodate an impact spanner. These lock nuts are locked on the shaft by MS locking clips. HM lock nuts can be reused, provided they are not damaged. A new locking clip should be used each time the corresponding lock nut is reinstalled.
Simple, stable and reliable fastening element;Wide range of sizes;Easy to install and remove;Available for thread Tr 220x4 to Tr 1120x8 (sizes 44 to /1120)
