Nylon Lock Nut

The Zinc Plated Nylon Insert Lock Nut (Hex Nyloc Nut) is a compact miniature self-locking fastener specially designed for precision small-scale assembly scenarios that require anti-loosening performance under slight continuous vibration. It features a mini hexagonal carbon steel nut body equipped with built-in high elastic PA66 nylon locking insert (available in natural white and blue nylon options). When fully tightened onto matching bolts, the nylon ring creates tight interference fit with bolt threads, producing persistent friction restraint to prevent accidental loosening and separation during long-term operation of precision equipment.

Fabricated from premium Grade 4.8 carbon steel, this mini hex nut delivers stable hardness and compressive strength to satisfy light and medium load fastening requirements for small components. The surface adopts blue white electro zinc plating treatment, forming a uniform bright silver anti-corrosion zinc barrier film that blocks moisture and oxidation, effectively extending service life in indoor dry and mild humidity working environments. The internal PA66 nylon insert offers excellent wear resistance and stable elasticity, maintaining consistent locking friction without aging or permanent deformation under normal working temperature ranges.

The integrated nylon ring interference locking structure provides reliable anti-vibration performance. During screwing, internal threads squeeze the elastic nylon insert to generate firm clamping friction on bolt shanks, offsetting rotational loosening force caused by micro-vibration, bumping and thermal expansion of precision equipment. The mini standard hexagonal outer profile fits small spanners, sockets and automatic micro-assembly equipment perfectly, supporting both manual fine installation and automated mass production line assembly. Precisely tapped micro internal threads match standard small metric bolts seamlessly for balanced, uniform clamping force.

Mini nylon insert lock nuts are widely applied to electronic control component assembly, small household appliance internal fixing, precision instrument linkage, motorcycle miniature part connection, miniature mechanical equipment assembly and all small hardware fastening systems exposed to continuous micro vibration. Its compact size, stable self-locking effect and economical anti-rust plating make it an indispensable core fastener for precision light-load assembly projects.

We provide full OEM and ODM custom manufacturing services, supporting tailor-made production based on customer technical drawings, physical samples and special specification demands. Custom micro thread sizes, nut height, nylon ring color/hardness, zinc coating thickness and personalized small export packaging schemes are available to meet diverse precision project requirements. Private labeling, laser micro-marking and custom brand printing services are also offered for electronic hardware distributors, home appliance manufacturers, precision instrument factories and motorcycle parts suppliers.

Each Zinc Plated Nylon Insert Lock Nut (Hex Nyloc Nut) is manufactured under strict miniature fastener quality control standards. All finished nuts undergo comprehensive dimensional inspection, micro thread precision test, nylon ring locking friction sampling test and surface coating uniformity check before shipment, ensuring ultra-precise micro thread tolerance, stable long-lasting self-locking performance and uniform qualified blue white zinc coating for every production batch.