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Palnut® Inverted Type Lock Washers

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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.
  Product Name  Thread No.  Hex Width (W)  Height (H)  Max. Across Corners (A)  Recommended Torque   
6-32  5/16  0.15  0.361  15  Add to Quote

10-24  3/8  0.166  0.433  37  Add to Quote

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