Download PDF of this page  Print this page 

Palnut® Inverted Type Lock Washers

Tinnerman Palnut - Single-Thread Engaging Self-Locking Speed Nuts® provide a dual locking action- an inward thread lock combined with an arched spring lock- ensuring strong and reliable holding power. Made from heat-treated high carbon spring steel, these versatile fasteners:
  • Are engineered for easier handling and faster application.
  • Eliminate the need for lockwashers, spanner washers, or other loose pieces.
  • Are designed to resist loosening from vibration.
  • Will not freeze" to threads or clog with paint.
  • Provide maximum fastening power with minimal installation torque required.
Our Self-Locking Speed Nuts® are available in a wide range of standard and custom variations and work with all major screw types and sizes.
Enter Part Number
Help Me Choose
Join Our Email List
SafeSubscribe Label