A4ANUT06

STAINLESS STEEL AEROTIGHT LOCK NUTS A4

£4.92

Thread Size
Quantity

These premium stainless steel self-locking nuts are engineered for precision, strength, and long-term reliability in the most demanding environments. Manufactured from A4 / 316 grade stainless steel, they offer outstanding resistance to corrosion, making them an excellent choice for marine, offshore, industrial, and structural applications where exposure to moisture, chemicals, or saltwater is common.

Designed as all-metal prevailing torque lock nuts, they provide a secure, vibration-resistant fastening without the need for additional locking devices such as washers or thread-locking compounds. The locking feature is built into the nut itself, delivering consistent clamping force and helping to prevent loosening under dynamic loads, shock, or continuous vibration.

Produced to strict industry standards, these stainless steel fasteners ensure accurate thread engagement and dependable performance across a wide range of assemblies. They integrate seamlessly into metric stainless fastening systems and are suitable for use with bolts, set screws, and threaded rod in fabrication, machinery, construction, and maintenance projects.

Key benefits include:

  • High-grade A4 / 316 stainless steel for superior corrosion resistance
  • All-metal, self-locking design for enhanced security and vibration resistance
  • Durable construction for demanding marine, industrial, and structural use
  • Consistent performance manufactured to recognized industry standards
  • Ideal for both new installations and replacement of standard nuts in critical assemblies

Whether you are working on marine hardware, stainless fabrications, plant and machinery, or structural frameworks, these corrosion-resistant lock nuts provide dependable, long-lasting fastening performance in harsh environments.

Fast courier delivery £7.95

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FREE DELIVERY ON ORDERS OVER £75

Collect this or any of our fasteners or tools at our store in Redruth, Cornwall

Technical Specifications
Material A4 (316) Stainless Steel
Finish Natural / Passivated
Thread Type Metric (ISO)
Thread System Metric (ISO)