Self Colour Lock Nut (Thin Nut) DIN 439 Grade 4

LNUT36

£5.93

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These high-performance lock nuts are engineered to meet demanding industrial standards, providing strong, secure fastening in a wide range of mechanical, structural, and construction applications. Designed in a variety of metric profiles, including thin and half nut formats, they are ideal for use where space is limited or a low-profile locking solution is required.

Manufactured for strength, reliability, and long service life, each nut is precisely threaded to ensure a tight, dependable fit with compatible metric bolts and threaded components. This makes them suitable for professional use in engineering, fabrication, machinery assembly, and general industrial maintenance.

Available in multiple high-quality finishes such as zinc-plated, galvanised, brass, self-colour, and A4 stainless steel, these lock nuts offer excellent resistance to wear, corrosion, and harsh environments. Whether used indoors or outdoors, they help maintain joint integrity under vibration, load, and repeated use.

  • High-quality metric lock nuts for professional and industrial applications
  • Thin and half nut options for low-profile, space-saving installations
  • Engineered to industry standards for strength, precision, and reliability
  • Finishes include zinc-plated, galvanised, brass, self-colour, and A4 stainless steel
  • Excellent corrosion resistance for long-lasting performance in tough environments
  • Ideal for structural steelwork, machinery assembly, and general fastening tasks

Whether you are an engineer, builder, fabricator, or maintenance professional, these metric lock nuts provide a robust and versatile fastening solution you can depend on for secure, long-term performance.