Self-locking collar nuts-polystop

Self-locking collar nuts-polystop

High-Security Self-Locking Collar Nuts (Polystop) from RDM Parts

RDM Parts offers high-security self-locking collar nuts, often featuring a Polystop (nylon or polymer) insert, designed to provide an exceptionally secure and vibration-resistant fastening solution for critical applications in agricultural machinery, automotive systems, and demanding industrial environments. These nuts combine the benefits of an integrated non-rotating collar (flange) for increased bearing surface and reduced surface pressure, with a robust self-locking mechanism. The Polystop insert creates a tight, frictional interference fit with the bolt's threads, effectively preventing loosening due to vibration, shock, and thermal expansion/contraction. Manufactured from high-strength steel, often zinc-plated or phosphated for superior corrosion resistance, our self-locking collar nuts ensure consistent prevailing torque, excellent tensile strength, and reliable long-term performance. They are ideal for applications where a strong, stable, and absolutely secure connection is paramount, particularly where repeated loosening and retightening might occur. With self-locking collar nuts (Polystop) from RDM Parts, you significantly enhance the operational safety and reliability of your machinery, reducing maintenance frequency and safeguarding critical components.

Need high-security self-locking collar nuts?

Contact RDM Parts for professional advice and assistance in selecting the correct size, thread type, and property class for your specific application, ensuring maximum security and performance for your critical bolted joints.