Jinjiang Tagong Hardware Forging Manufacturer Co. Ltd.
Pioneering excellence at the forefront of the fastener industry, we have been proudly serving the industry since our inception in 1985,and we boast a remarkable legacy that spans over 39 years of unparalleled expertise.
We demonstrate unmatched skill in adhering to globally recognized standards (GB, DIN, ISO, UNI, JIS, GOST, ANSI, and ASTM ), while offering bespoke customization options meticulously crafted to meet your exact specifications with precision and finesse.

Types and Specifications of Heavy Truck Wheel Bolts and Nuts
Our heavy truck wheel bolts and nuts are available in a diverse range of types and specifications, expertly designed to meet demanding applications. The common bolt strength grades are impressively robust, including 10.9 and 12.9, crafted meticulously from premium materials such as 40Cr and 35CrMo. The nuts feature precise thread specifications like M22×1.5 and M24×1.5, engineered to fit seamlessly with prominent heavy truck brands such as Mercedes-Benz and Hongyan. To further elevate performance, these fasteners undergo advanced surface treatments, including phosphating, galvanizing, and Dacromet. These treatments significantly enhance both corrosion and wear resistance, ensuring your trucks operate smoothly in the toughest conditions. 123
Material and Surface Treatment
Our heavy truck wheel bolts and nuts are engineered from superior high-strength materials, including 40Cr, 35CrMo, and the remarkably resilient 42CrMo alloy steel. These materials ensure exceptional load-bearing capacity and impressive durability. Our cutting-edge surface treatment technologies, such as phosphate coating, galvanizing, and Dacromet, are meticulously applied to boost corrosion resistance and stabilize the friction coefficient. This ensures that the fasteners maintain stability and reliability, providing unwavering performance during long-term use.
Materials and surfaces can be customized as follows:
Mechnical Property |
Material |
Surface Treatment |
Class 4 / 6 / 8/ 10 /12 |
C45
40Cr
35CrMo
42CrMo
304
316
35K...... |
♦Yellow Zinc
♦Zinc Plated
♦Black Oxide
♦Phosphate
♦Dacromet
♦Geomet |
Packaging Details: Our Custom Size 4.8 Railway Fish Bolt Plate and Nut with Buyer Coating is meticulously packaged with the utmost care. Each unit is securely encased in a robust 25kg carton, thoughtfully designed to align perfectly with your specific requirements. Select pallet sizes ranging from 1.5 to 2.5 tons to achieve maximum efficiency and safety during shipment, ensuring your products reach their destination in impeccable condition.
For more insights and comprehensive details about our Custom Size 4.8 Railway Fish Bolt Plate and Nut with Buyer Coating, please do not hesitate to contact our expert team. We are fully prepared and eager to assist you with any and all inquiries you may have.
Note: Please reach out to us for a bespoke re-quote before finalizing your order, as variable material costs may influence the overall pricing. We are dedicated to offering transparent and current pricing information.











WHOWE ARE
With an impressive 39With an impressive 39 years of meticulously honed expertise, Jinjiang Tagong Hardware Forging Manufacturer Co. Ltd. stands as a towering figure in the realm of fastener manufacturing. Our mastery shines through with an annual production capacity that escalates to an extraordinary 30,000 tons, while our sales figures exceed an impressive 200 million. Our steadfast dedication to excellence and precision craftsmanship has indisputably established us as vanguards in the industry. Our vast and dynamic facility is a resplendent embodiment of our unyielding commitment to innovation and quality. Spanning an expansive 60,000 square meters, it is outfitted with 35 state-of-the-art hot-forging machines and 300 sophisticated machining units. These are operated by our dedicated cadre of 200 skilled professionals, all passionately devoted to bringing our innovative visions to life with unparalleled precision.
Over three decades of unwavering dedication and ceaseless innovation have empowered us to develop a highly sophisticated forging and precision machining system. This evolution is underpinned by the latest cutting-edge production and inspection machinery, CNC technology, and automated forging lines. These advancements distinctly set us apart, ensuring our continued preeminence in the industry.
Driven by a steadfast commitment to delivering unrivaled quality, we have emerged as a prominent global supplier. With pride, we hold ISO9001 certification and have successfully passed stringent SGS testing. Our premium products are highly esteemed and cherished by our loyal client base, spanning across Europe, North America, and South Asia, etching our global presence on the world stage.
Development
Progress Evolution
Production Facility
1. Q: What about MOQ?
A: It depends on the size of the products.
2. Q: What are your advantageous products?
A: All kinds of standard and customized fasteners.
3. Q: How many staff are in your company?
A: About 200 staff in our factory.
4,Q: What about your annual production capacity?
A :About 30000 tons per year.
5,Q :Do you have an ISO 9001 certificate?
A: Yes, we do.
6, Q: Can you provide the CBAM report?
A: Yes, of course