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A4-80 / Marine Grade Lock Nut
This locking nut relies on a nylon insert to create interference between the mating threads of a bolt or threaded rod. The nylon insert compresses to securely fasten the nut against the bolt, ensuring resistance to vibration and loosening.
A4-80 / 316 Superior Class stainless steel nuts are commonly used in wet environments for corrosion resistance, popular across a wide range of industries: automotive, agriculture, food processing, clean energy, etc. For any application involving marine (salt water), use A4 stainless.
Nylon lock nuts will not damage the threads a bolt or screw. Nylon insert color tone varies.
Nylon nuts are of the most popular methods of fastener locking. Also known a Nylon Lock Nut or Prevailing Torque Lock Nut.
Special Bulk Order Variations
Additional Sizes: M12, M14, M16, M18, M20
