Hexagon lock nut with plastic ring DIN 985 / ISO 10511

The DIN 985 lock nut is a self-locking fastener designed to prevent loosening due to vibration or dynamic loads. It incorporates a plastic ring that ensures effective locking, providing a firm and durable connection. Manufactured according to DIN standards, it guarantees dimensional accuracy and compatibility with metric screws. Available in steel and stainless steel, with finishes such as zinc plating, it offers adequate corrosion protection. Ideal for mechanical, automotive, and machinery applications where secure fastening is required.