Discover Our Premium Nuts: Axle Housing Self-Locking Nuts, Philidas Nuts, Self-Locking Nuts, and Round Nuts | Zhejiang Zhongrui Auto Parts | Engineered for Security and Durability

Zhejiang Zhongrui Auto Parts, with over 38 years of industry expertise, is proud to showcase our specialized range of high-performance nuts. Our extensive 20,000+ square meter factory and over 10,000 specifications ensure we deliver the perfect fastening solutions for your critical applications.

Featured Products:

Axle Housing Self-Locking Nuts: Designed for the rigorous demands of axle housing applications, providing superior vibration resistance and secure fastening.

Philidas Nuts: Renowned for their exceptional locking capabilities, ideal for high-stress environments where reliability is paramount.

Self-Locking Nuts: Versatile and dependable, these nuts prevent loosening in dynamic and vibratory conditions, ensuring long-term stability.

Round Nuts: Precision-engineered for use with bearings and other rotational components, offering secure axial positioning and locking.

Key Features:

Material: Carbon Steel, Alloy Steel, Stainless Steel, Brass, or as OEM required.

Finish: Plain, Zinc Plated (Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G, or as required.

Customization: OEM & ODM services available for tailored solutions.

Quality Assurance: Rigorous testing with Calipers, Go & No-Go Gauges, Tensile Test Machines, and Salt Spraying Testers.

Certifications: IATF 16949

Standards: DIN, GB, ANSI, BSW, ISO

Bolt Property Class: 8.8, 10.9, 12.9 (specialized)

Metric Thread Sizes: M3 to M64

Nut Thread Class: 6H, 7H (Ensures proper thread fit)

Packaging: 100-1000 PCS per bag with label, export standard carton, or as per customer demand.

Delivery: Sample stock and strong production capacity ensure timely delivery.

Meet a few members of our dedicated team, ready to help you:
Coco Chen, Director of Business Development: coco.chen@zjzrap.com
Freddie Xiao, Account Manager: freddie.xiao@zjzrap.com
Brian Xu, Technical Sales Assistant: brian.xu@zjzrap.com

Explore our capabilities and comprehensive product range: https://www.zjzrqc.com/product

IATF16949 Certified

HQ& Factory Address:
No. 680, Ya'ao Road, Daqiao Town, Nanhu District, Jiaxing City, Zhejiang Province, China


Online Map to see where we are exactly located:

Linkedin Page   •    Products    •    Video Showcase    •    Contact Us       •    CAPAFAIR Ningbo 2025