Lock Nuts Requiring a Keyway

Description

There are KM, KML and HM… T metric lock nuts

 KM and KML lock nuts:

  • Have metric threads
  • Are designed to be used with lock washers
  • Have four equally-spaced slots located around their circumference to accommodate a hook or impact spanner
  • Are also referred to as shaft or withdrawal nuts
  • Are available for thread M 10×0, 75 to M 200×3 (sizes 0 to 40)
  • Can be locked with either the MB lock washer or with a stronger, MB A lock washer
  1. T lock Nuts:
  • Have metric trapezoidal threads
  • Are also referred to as removal nuts
  • Are available for thread Tr 210×4 to Tr 280×4 (sizes 42 to 56)