Whittet Higgins NI-01 Locknut Deep groove ball bearings Key Features and Benefits Quick-release

Key Features and Benefits Quick-release system for easy visor attachment and removal

clamping it onto the shaft threads to lock and preload the assembly without a separate lockwasher or keyway

ribbed belts and most other belts as well as chain sprockets

and low profile head quick release ratchets

Whittet Higgins NI-01 Locknut Deep groove ball bearings Key Features and Benefits Quick-releaseThe Whittet Higgins NI 01 is a bearing locknut from the NI series, threaded 16 threads per inch in the National Fine thread series for finer assembly adjustment and accurate angular positioning across numerous locking positions. Machined from carbon steel, it is used together with a matching WI series lockwasher, whose tab bends into a nut slot to secure, lock, and retain bearings and power transmission assemblies and to prevent loosening from