Designed to keep bolted joints secure in demanding environments, these external shakeproof washers provide dependable resistance to loosening caused by vibration and movement. Manufactured from premium materials and available with a range of protective finishes (including zinc-plated, self-colour, galvanised, brass, and stainless steel), they offer strong durability and enhanced corrosion resistance for long service life.

The external tooth design helps maintain grip under load, while also supporting even pressure distribution to reduce stress on bolts and mating surfaces—improving overall joint stability and reliability. Produced in accordance with recognised industry standards including DIN 6798, DIN 125A, and BS4320 (with additional compliance referenced for related applications), these washers are a trusted choice for professional fastening and fixing work.

Commonly used across construction, automotive, machinery assembly, and heavy engineering, they’re ideal wherever secure fastening, vibration resistance, and consistent performance are essential. Whether you’re reinforcing structural frameworks, assembling equipment, or maintaining heavy-duty installations, these shakeproof washers help deliver strong, long-lasting fastening solutions.