Discover Our Diverse Range: Industrial Screws, Hex Socket Screws, Planetary Gear Shaft Set Screws, and Grub Screws | Zhejiang Zhongrui Auto Parts | Precision and Reliability in Every Fastener

Discover Our Diverse Range: Industrial Screws, Hex Socket Screws, Planetary Gear Shaft Set Screws, and Grub Screws | Zhejiang Zhongrui Auto Parts | Precision and Reliability in Every Fastener

Zhejiang Zhongrui Auto Parts brings over 38 years of expertise to the fastener industry, offering a diverse range of precision-engineered components. With a state-of-the-art 20,000+ square meter factory and a catalog of over 10,000 specifications, we are equipped to meet your exact requirements.

Featured Products: (See Images Attached!)

Industrial Screws: Versatile screws designed for a wide range of industrial applications, providing reliable fastening solutions.

Hex Socket Screws: Ideal for applications requiring high torque and secure fastening with an internal hex drive.

Planetary Gear Shaft Set Screws: Specifically designed for use in planetary gear systems, ensuring precise alignment and secure locking.

Grub Screws: Commonly used for securing components in place, preventing movement or loosening.

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.

Applications:

Industrial Machinery

Automotive

Gear Systems

General Assembly

And more!

Contact us to learn more about our fastening solutions and get a quotation:

www.zjzrqc.com

Director of Business Development Coco Chen: coco.chen@zjzrap.com

Account Manager Grace Gan: grace.gan@zjzrap.com

Account Manager Freddie Xiao: freddie.xiao@zjzrap.com