Stainless Steel Square Lock Nut with Customizable Threads and High Corrosion Resistance for Precision Hardware Fitting

Stainless Steel Square Lock Nut is a high-precision threaded connection hardware fitting widely used in mechanical assembly and equipment locking structures. Different from conventional hexagonal nuts, this square lock nut adopts a four-sided square structure, providing excellent anti-rotation and anti-loosening performance during operation. Made of high-quality stainless steel material, it features outstanding rust resistance, corrosion resistance and stable mechanical strength. With precise thread processing and compact structural design, this fitting delivers reliable locking and connecting effects for various precision equipment, automation machinery and industrial hardware systems.

Manufactured from standard stainless steel raw material, the square lock nut has uniform texture, high surface hardness and strong tensile resistance. It effectively prevents rust and oxidation in humid, outdoor and ordinary industrial environments. The material maintains stable performance under long-term vibration and load conditions, ensuring long service life and consistent assembly stability.

The unique four-sided square outline is specially designed for groove installation and embedded assembly. It can effectively limit nut rotation during equipment operation, avoid loose connection caused by vibration, and greatly improve assembly accuracy and structural stability. This structural advantage makes square lock nuts more suitable for guide rail fixing, frame assembly and fixture positioning scenarios than ordinary round nuts.

The internal thread is processed by standardized precision tapping technology with uniform pitch, complete tooth shape and smooth surface without burrs. It matches perfectly with standard bolts and screws, realizing smooth screwing, tight fitting and stable locking force. The thread structure is wear-resistant, supporting repeated disassembly and assembly without slipping or tooth damage.

This precision square lock nut features accurate dimensional tolerance and high product consistency. It is applicable for both standard assembly and customized equipment matching. The compact structure saves installation space and fits well with various mechanical parts, tooling fixtures and industrial connection components, meeting diverse assembly requirements.

• Automation equipment frame connection and locking parts
• Mechanical guide rail and groove assembly square nuts
• Precision fixture and tooling positioning hardware fittings
• Electronic equipment and instrument assembly connectors
• Outdoor and moisture-proof industrial locking fasteners

All stainless steel square lock nuts undergo strict dimensional inspection, thread precision test and appearance screening before delivery to ensure stable quality. We support standard size batch supply and non-standard customization according to drawings and samples. Customizable specifications include special sizes, thread standards and surface treatments. We provide reliable precision connection hardware solutions for mechanical manufacturing, equipment assembly and industrial supporting industries.

Our maximum processing outer diameter is 60, and the minimum control tolerance is 0.001. We have Japanese CNC Tsugami, CNC Citizen, multi-station cold extrusion forming machines, 500T press machines, casting equipment, and various process equipment, which can effectively provide customers with the best technical solutions.

Our company has a total of 300 employees, including 20 technicians, 10 engineers, and 15 quality control personnel. We have over 300 pieces of equipment.

Our company implements 8S management and has passed ISO9001 and TS16949 automotive certifications.

Our customers include bo-sch, Foxconn, Motors, Husqvarna, Shimano, NVIDIA, DJI Drones, Siegenia, and Cater-pillar.