Jinjiang Tagong Hardware Forging Manufacturer Co. LTD,
With over 35 remarkable years of excellence, Jinjiang Tagong Hardware Forging Manufacturer Co. Ltd. proudly represents the pinnacle of craftsmanship in high-quality nut production. Each component is a testament to enduring quality and strength, establishing the gold standard that defines the industry. Founded in 1985,
Our extensive lineup of standard nuts is meticulously crafted to surpass every industry-standard specification (GB/DIN/ISO/UNI/JIS/GOST/ANSI/ASTM). Each piece not only promises exceptional durability but also ensures flawless integration into any intended application.
Furthermore, our exceptional selection of specialty nuts (featuring slotted nuts, nylon insert nuts, flange nuts, self-locking nuts, square nuts, cap nuts, and more) is expertly designed to cater to a wide array of requirements, offering versatility and innovation across numerous industries.
Product Name: Wheel Bolts / Stud / Nuts
Size: M2-M48, meticulously tailored to your exact specifications, offering precision and excellence.
Grade: 4.8, 6.8, 8.8, 10.9, 12.9, A2-70, A4-80 - each grade guarantees remarkable strength and unparalleled durability.
Standard: ISO, GB, BS, DIN, ANSI, JIS, along with adaptable non-standard options to meet every requirement.
Material Options: 1. Stainless Steel: 201, 303, 304, 316, 410 - ensuring exceptional corrosion resistance and long-lasting performance.
2. Carbon Steel: C1006, C1010, C1018, C1022, C1035K, C1045 - renowned for outstanding mechanical properties.
3. Copper: H62, H65, H68 - acclaimed for its superior conductivity and steadfast reliability.
4. Aluminum: 5056, 6061, 6062, 7075 - combining strength with the advantage of being lightweight.
5. Fully customizable materials available, crafted precisely to customer specifications for bespoke solutions.
Surface Treatment: Zn-Plated, Ni-Plated, Passivated, Tin-Plated, Sandblast and Anodize, Polish, Electro Painting, Black Anodize, Plain, Chrome Plated, Hot Dip Galvanize (H.D.G.) etc. - offering unrivaled protection and a flawless finish.
Package: Carefully packaged in plastic bags or small boxes, enhanced by sturdy outer cartons and pallets, ensuring impeccable delivery.
Chrome Tire Nut, Rim Nut, Wheel Lug Nuts 12X1.25 and M12X1.5 with Cap by Factory |
(Samples available with various surface treatments including Plain + oil. Each sample is meticulously crafted to ensure optimal test results, guaranteeing excellence and reliability for every project.)

Materials and surface treatments are fully customizable: Tailor these to your specific project needs, offering bespoke solutions that align with your unique demands.
Mechnical Property |
Material |
Surface Treatment |
Class 6 / 8/ 10 /12 |
C45
40Cr
35CrMo
42CrMo
|
♦Yellow Zinc
♦Zinc Plated
♦Black Oxide
♦Phosphate
♦Dacromet
♦Geomet |
Packing Way:25kg/carton, designed to handle loads from 1.5 tons to 2.5 tons per pallet. Our packaging is precisely customized to meet any buyer's specific requirements, ensuring safe and efficient transportation.
For further assistance and detailed inquiries, our dedicated team stands ready to provide expert guidance and swift responses. Feel free to reach out at your convenience for unparalleled support.
DIN6923 |
Thread Size |
c min |
da |
dwmin |
e min |
h |
m min |
mw min |
s |
M18 |
2.4 |
16-17.3 |
34.5 |
31.9 |
26.75-16 |
15.3 |
9 |
24-23.67 |
M20 |
3 |
20-21.6 |
42.8 |
39.9 |
32.95-20 |
18.9 |
11.1 |
30-29.67 |
P.S.: Due to fluctuations in material costs, kindly contact us for an accurate quote before placing an order. This ensures you secure the best pricing and manage your budget effectively, optimizing your purchasing strategy.
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If you have a custom design, please do not hesitate to contact us. We are enthusiastic to collaborate on tailored solutions, transforming your vision into reality with precision and expertise, while exceeding expectations.
WHOWE ARE
For an impressive 38 years, Jinjiang Tagong Hardware Forging Manufacturer Co. Ltd. has been a luminary in the fastener industry. Renowned for our unwavering dedication to unparalleled quality and expertise, we deliver both standard and custom fastener solutions. Our meticulously designed products serve a broad spectrum of needs, continuously setting new benchmarks for exceptional quality and reliability.
Founded in 1985, our cutting-edge manufacturing facility spans a vast 60,000 square meters. Situated in the dynamic heart of Jinjiang City, this advantageous location significantly enhances our operational capabilities and efficiency, driving our success in catering to clients worldwide.
Our expertise shines through in the seamless integration of advanced forging techniques and precise machining processes. Our adept production management team collaborates seamlessly with our highly skilled technical R&D department, excelling in the creation of custom fasteners tailored to fulfill the unique demands and aspirations of our esteemed clients.
Our products stand as a testament to supreme quality and steadfast reliability, having triumphantly passed rigorous testing standards. They boast certifications including ISO9001/2015, GB/T19001-2016, and SGS, guaranteeing excellence in every carefully crafted piece.
Fueled by an unwavering commitment to quality, we have earned a reputation as a trusted global supplier. Our products are acclaimed and extensively used across diverse regions, including Europe, Australia, North America, and South Asia, further amplifying our international presence and respected reputation.
Development History
Production Workshop
Exhibition: Step into a realm of revolutionary innovation and expert engineering at the Jinjiang Tagong Hardware Forging Manufacturer Co. Ltd. exhibition booth. Brace yourself for an awe-inspiring encounter with products defined by exceptional precision and unparalleled craftsmanship. Delve into the superior quality and extraordinary design of our Class 10 DIN 912 Black Fasteners, each piece carefully engineered to offer unmatched performance and a touch of aesthetic elegance. Choose from our unique plain and oil surface finishes, and experience a new benchmark of excellence in fasteners, ensuring durability and grace that stand the test of time.