69680100 - KM Socket and Extension Tube Kit (KM4-7)

The Sykes-Pickavant KM Socket Kit is designed for the safe, accurate installation and removal of KM locknuts - specialised precision nuts used to secure bearings and other critical components on shafts. These nuts feature slots around their circumference, which means a standard socket or spanner cannot be used without risking damage to the nut or shaft.

KM sockets are purpose-built tools that engage directly with the nut’s slots, providing a positive drive connection that distributes torque evenly. This prevents slippage, rounding, or distortion - common issues when improvised tools are used - and helps maintain the integrity of both the locknut and the component it secures.

This set covers KM sizes 4 to 7 and comes with extension pieces to allow easy access to deep seated lock nuts, providing compatibility with a wide range of industrial and automotive applications, including:

• Bearing housings
• Gearbox assemblies
• Shaft-mounted equipment

½″ Square Drive – Works with standard ratchets and torque wrenches for easy, controlled tightening or loosening.

Kit Contents

• KM-4 Socket 696800-KM4 & Extension Tube 696800-KM4EXT
• KM-5 Socket 696800-KM5 & Extension Tube 696800-KM5EXT
• KM-6 Socket 696800-KM6 & Extension Tube 696800-KM6EXT
• KM-7 Socket 696800-KM7 & Extension Tube 696800-KM7EXT

Individual KM sockets and extension pieces are also available separately for specific applications or replacements click here for more detailed information on individual sockets and extensions.