Positive mechanical lock that is not dependent on lubricants or plating for repeatability.
Features & Benefits
Positive mechanical lock that is not dependent on lubricants or plating for repeatability.
Achieves precise preload - serrations provide adjustment that eliminates back-off or over-torque.
Maintains fatique strength at reduced weight.
External serrations in the nonload carrying portion of the thread elminates keyways allowing reduction of shaft wall thickness or diameter.
Keyway stress concentrations are eliminated.
Internal serrations of washer mates with serrated shaft.
Serrations clearance for ease of washer installation and removal.
Internal groove of nut accepts retaining ring of washer.
Can be designed in various wrenching configurations
Applications
Where ease of installation is preferred.
Non-rotating applications where positive retention is desired.
Where achieving precise preload is critical and existing nuts cannot provide adequate adjustment.
Where weight reduction is a priority and shaft wall thickness or diameter can be reduced.
Allows for better shaft balance than conventional positive locks.
Shaft Bolt Serrations
Broaching serrations of shaft/bolt is required. For installation and removal of locknuts and lockwashers contact Shur-Lok for technical sales bulletin TSB0001.
