Self-Locking Speed Nuts®

Single-Thread Engaging Self-Locking Speed Nuts® provide a dual locking fastening action- an inward thread lock combined with an arched spring lock- ensuring strong fastening and reliable holding power. Self locking nuts make a perfect solution for numerous applications. These self locking nuts are made from heat-treated high carbon spring steel, these versatile fasteners:

Are engineered for easier handling and faster fastening.
Self locking nuts eliminate the need for lockwashers, spanner washers, or other loose pieces.
Are designed to resist loosened fastening from vibration.
Will not "freeze" fasten to threads or clog with paint.
Provide maximum fastening power with minimal installation torque required.

Our Self-Locking Speed Nuts® fasteners are available in a wide range of standard and custom variations and work with all major screw types and sizes.