Jinjiang Tagong Hardware Forging Manufacturer Co. LTD
Pioneering excellence at the forefront of the fastener industry, we proudly serve the industry, marking our journey since our inception in 1985,boasting a remarkable legacy that spans over 39 years of unparalleled expertise.
Our proficiency shines through as we strictly adhere to globally recognized standards (GB, DIN, ISO, UNI, JIS, GOST, ANSI, and ASTM ), and offer bespoke customization, meticulously crafted to meet your exact specifications, ensuring a perfect fit for every need.

Types and specifications of heavy truck wheel bolts and nuts
Our heavy truck wheel bolts and nuts, crafted for resilience and reliability, come in a range of types and specifications designed to meet the demanding needs of the industry. Recognized for their robust strength, these fasteners come in common bolt strength grades of 10.9 and 12.9, comprised predominantly of 40Cr or 35CrMo materials. The nuts feature thread specifications such as M22×1.5, M24×1.5, making them apt for heavy-duty vehicles from renowned brands like Mercedes-Benz and Hongyan. To combat the harsh elements, they boast a variety of surface treatments—phosphating, galvanizing, and Dacromet—ensuring superior corrosion and wear resistance, steadfast in the face of time.
Material and surface treatment
Our heavy truck wheel bolts and nuts are engineered from superior high-strength materials including 40Cr, 35CrMo, and 42CrMo alloy steel, guaranteeing exceptional load-bearing capacity and longevity. Advanced surface treatments, such as phosphate coating, galvanizing, and Dacromet, are employed to further bolster corrosion resistance. These treatments also play a crucial role in stabilizing the friction coefficient, ensuring that our fasteners maintain their strength and stability over prolonged periods of use, even under the most strenuous conditions.
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 perfection. Each unit is thoughtfully secured in a robust 25kg carton, expertly designed to meet your unique specifications. Select from pallet sizes ranging from 1.5 to 2.5 tons for unmatched efficiency and safety during transit. This guarantees that your products arrive in pristine condition, reflecting our commitment to quality and care.
For more insights and a deeper understanding of our Custom Size 4.8 Railway Fish Bolt Plate and Nut with Buyer Coating, we invite you to connect with our knowledgeable team. We are dedicated to assisting you with any inquiries, ensuring you receive all the detailed information you need.
Note: Please reach out to us for a personalized re-quote before placing an order, as fluctuating material prices may adjust the total cost. We are dedicated to providing transparent and up-to-date pricing, ensuring you receive the most accurate and fair rate available.











WHOWE ARE
With an impressive 39With an impressive legacy of 39 years in the industry, Jinjiang Tagong Hardware Forging Manufacturer Co. Ltd. proudly stands as a beacon of expertise, mastering the art of crafting both standard and bespoke fasteners. Our extraordinary capabilities are demonstrated by an astonishing annual production volume of 30,000 tons and sales figures exceeding an impressive 200 million. This unwavering dedication to excellence and precision cements our reputation as leaders in the field. Our expansive facility, a true reflection of our commitment to both innovation and quality, covers a vast 60,000 square meters. It houses 35 cutting-edge hot-forging machines and 300 state-of-the-art machining units, operated by a devoted team of 200 skilled professionals who transform our ambitions into reality.
Decades of steadfast dedication and continuous innovation have empowered us to establish a highly advanced system for forging and precision machining. This dynamic evolution is driven by state-of-the-art production and inspection equipment, CNC technology, and automated forging lines, distinguishing us and maintaining our leadership in the industry.
Fueled by an uncompromising commitment to supreme quality, we have successfully risen as a global supplier. With the esteemed ISO9001 certification and successful SGS testing, our superior products are cherished and celebrated by a devoted clientele across Europe, North America, and South Asia, signifying our influential global presence.
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