Jinjiang Tagong Hardware Forging Manufacturer Co. LTD
Pioneering excellence at the forefront of the fastener industry, proudly serving the industry since our inception in 1985,and boasting a remarkable legacy spanning over 39 years of expertise.
Demonstrating unparalleled expertise in adhering to globally recognized standards (GB, DIN, ISO, UNI, JIS, GOST, ANSI, and ASTM ), and offering bespoke customization meticulously crafted to meet your exact specifications.

Types and specifications of heavy truck wheel bolts and nuts
Delve into the world of heavy truck wheel bolts and nuts, where versatility meets precision! These essential components come in a variety of types and specifications, tailored to meet the robust demands of heavy-duty trucks. With bolt strength grades commonly ranging from 10.9 to 12.9, and crafted from premium materials such as 40Cr and 35CrMo, these fasteners promise unparalleled strength and resilience. The thread specifications of the nuts, such as M22×1.5 and M24×1.5, are expertly designed to cater to renowned heavy truck brands like Mercedes-Benz and Hongyan. To further fortify their performance, the surface treatments available include advanced phosphating, galvanizing, and Dacromet processes, significantly enhancing their corrosion and wear resistance, ensuring they stand the test of time. 123
Material and surface treatment
Crafted for excellence, our heavy truck wheel bolts and nuts are manufactured using high-strength materials like 40Cr, 35CrMo, or the robust 42CrMo alloy steel. This selection ensures superior load-bearing capacity and long-lasting durability. Elevating their performance, we employ cutting-edge surface treatment technologies, including phosphate coating, galvanizing, and Dacromet. These innovative processes not only boost corrosion resistance but also stabilize the friction coefficient, guaranteeing that these fasteners remain steadfast and reliable, even under the most demanding conditions of 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 to ensure superior protection and delivery. Each unit is housed in a robust 25kg carton, crafted to perfection to meet your unique specifications. To maximize efficiency and ensure utmost safety during transit, select pallet sizes ranging from 1.5 to 2.5 tons, safeguarding your products to ensure they arrive in immaculate condition.
For further insights and comprehensive information about our Custom Size 4.8 Railway Fish Bolt Plate and Nut with Buyer Coating, don't hesitate to reach out to our expert team. We are ready and eager to assist you with any inquiries you may have, providing you with all the details you need.
Note: Please contact us for a personalized re-quote before placing an order, as fluctuating material prices may influence the total cost. We are dedicated to offering transparent and current pricing, ensuring you always have the most accurate information.











WHOWE ARE
With an impressive 39With an impressive 39 years of refined expertise, Jinjiang Tagong Hardware Forging Manufacturer Co. Ltd. stands proudly at the forefront of crafting both standard and bespoke fasteners. Our unmatched prowess is showcased by an annual production capacity reaching a staggering 30,000 tons, complemented by sales that soar beyond an astounding 200 million. Our dedication to excellence and precision has solidified our position as industry leaders. Our sprawling facility, a testament to our commitment to innovation and quality, spans an expansive 60,000 square meters. It is equipped with 35 state-of-the-art hot-forging machines, alongside 300 advanced machining units, all operated by a dedicated team of 200 skilled professionals who bring our visions to life.
Over three decades of unyielding dedication and relentless innovation have allowed us to develop a sophisticated system of forging and precision machining. This evolution is underpinned by cutting-edge production and inspection equipment, CNC technology, and automated forging lines, which collectively set us apart and ensure our continued leadership in the industry.
Driven by an unwavering commitment to unparalleled quality, we have successfully emerged as a global supplier. Proudly holding ISO9001 certification and having passed rigorous SGS testing, our premium products are celebrated and cherished by a loyal clientele across Europe, North America, and South Asia, marking our global footprint.
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