Jinjiang Tagong Hardware Forging Manufacturer Co. LTD,
With an illustrious heritage spanning over 35 enriching years, Jinjiang Tagong Hardware Forging Manufacturer Co. Ltd. stands as a beacon of superior craftsmanship in the art of high-quality nut production. Every component is expertly crafted to not only endure the test of time but also deliver unmatched reliability and strength, setting the gold standard within the industry. Founded in 1985,
Our comprehensive range of standard nuts is meticulously engineered to meet and exceed every industry-standard specification, (GB/DIN/ISO/UNI/JIS/GOST/ANSI/ASTM). Each piece offers not only exceptional durability but also seamless integration into any application it is designed for.
Moreover, our exclusive array of specialty nuts (including slotted nuts, nylon insert nuts, flange nuts, self-locking nuts, square nuts, cap nuts, and more) is masterfully created to satisfy a diverse spectrum of needs, crafted for versatile and innovative applications across a multitude of industries.
Product name: Wheel Bolts / Stud / Nuts
Size: M2-M48, expertly crafted to meet your specific requirements with precision and excellence.
Grade: 4.8, 6.8, 8.8, 10.9, 12.9, A2-70, A4-80 - each ensuring unparalleled strength and exceptional durability.
Standard: ISO, GB, BS, DIN, ANSI, JIS, with the option for custom non-standard specifications to suit your needs.
Material Options: 1. Stainless steel: 201, 303, 304, 316, 410 - providing superior corrosion resistance and long-lasting performance.
2. Carbon steel: C1006, C1010, C1018, C1022, C1035K, C1045 - celebrated for its excellent mechanical properties.
3. Copper: H62, H65, H68 - renowned for its outstanding conductivity and reliability in demanding applications.
4. Aluminum: 5056, 6061, 6062, 7075 - offering the perfect combination of strength and lightweight benefits.
5. Fully customizable materials to align with customer demands, providing tailored solutions for any project.
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. - all ensuring superior protection and an exquisite finish.
Package: Securely packed in plastic bags or small boxes, paired with robust 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 guarantees optimal test results and performance assurance, consistently achieving excellence and reliability for every project.)

Materials and surface treatments are fully customizable: Tailor these to your specific project needs, offering bespoke solutions to meet 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, accommodating loads from 1.5 tons to 2.5 tons per pallet. Our packaging can be customized precisely to meet any buyer's specific requirements, ensuring safe and efficient transportation.
For further assistance and detailed inquiries, our dedicated team is ready to provide expert guidance and swift responses. Contact us 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 eager to collaborate on tailored solutions, transforming your vision into reality with precision and expertise, while exceeding your expectations.
WHOWE ARE
For 38 awe-inspiring years, Jinjiang Tagong Hardware Forging Manufacturer Co. Ltd. has been a luminous beacon in the fastener industry. Our prestigious reputation is built on an unwavering dedication to superior quality and unmatched expertise. We pride ourselves in delivering both standard and bespoke fastener solutions with a precision that defies expectations. Engineered to perfection, our products meet a wide spectrum of needs, consistently setting new benchmarks for exceptional quality and steadfast reliability.
Established in 1985, our cutting-edge manufacturing facility spans an impressive 60,000 square meters. Situated in the bustling heart of Jinjiang City, this strategic location enhances our operational capabilities and efficiency, driving our success in catering to a global clientele.
Our prowess is reflected in the seamless fusion of cutting-edge forging techniques and precise machining processes. Our production management team collaborates harmoniously with our highly skilled technical R&D department, excelling at crafting custom fasteners tailored to meet the unique demands and visions of our esteemed clients.
Our products are the epitome of unrivaled quality and steadfast reliability, having successfully withstood rigorous testing protocols. They are proudly accredited with certifications such as ISO9001/2015, GB/T19001-2016, and SGS, guaranteeing excellence in every meticulously crafted piece.
Fueled by an unwavering dedication to excellence, we have cemented our status as a trusted supplier on the world stage. Our products are celebrated and extensively used across diverse continents, including Europe, Australia, North America, and South Asia, further enhancing our global presence and esteemed reputation.
Development History
Production Workshop
Exhibition: Experience the pinnacle of cutting-edge innovation and masterful engineering at the Jinjiang Tagong Hardware Forging Manufacturer Co. Ltd. exhibition booth. Prepare to be captivated by the exceptional precision and superior craftsmanship of our products. Discover the remarkable quality and extraordinary design of our Class 10 DIN 912 Black Fasteners, meticulously crafted to deliver unrivaled performance and aesthetic appeal. With our distinctive plain and oil surface finishes, embrace a new standard of excellence in fasteners that promises durability and elegance beyond compare.