Jinjiang Tagong Hardware Forging Manufacturer Co. LTD,
specialized in producing Nuts since 1985,
Standard Nuts (GB / DIN / ISO / UNI / JIS / GOST / ANSI / ASTM );
And Special Nuts ( Slotted nuts,Nylon insert nuts,Flange Nuts,Self-hold Nuts,Square Nuts,Cap Nuts,etc.)
Product Description
DIN934 - M80 - 6H - Yellow Zinc Plated |

(samples with surface treatment of yellow zinc)
Mechnical Property |
Material |
Surface Treatment |
Class 5 |
Steel 45 |
Yellow Zinc |
Thread size |
M80 / M80x4 |
Tolerance |
6H |
Hardness |
30 HRC max |
Proof load |
DIN267 Part4 :for size above M39 subject to agreement |
Packing way: 25kg/carton, 1.5tons-2.5tons / pallet ; or as requested by buyer.
If you want know more information, pls contact with us.
P.S.: Please contact us to re-quote the exact price before placing an order, due to material price is unstable.
DIN934 - M80 |
Thread Size |
m |
mw max |
s |
e min |
M80x6 |
64-62.1 |
49.7 |
115-112.8 |
127.46 |
M80x4 |
64-62.1 |
49.7 |
115-112.8 |
127.46 |
Packing way: 25kg/carton, 1.5tons-2.5tons / pallet ; or as requested by buyer.
If you want know more information, pls contact with us.
P.S.: Please contact us to re-quote the exact price before placing an order, due to material price is unstable.


CNC turning parts Washers Bolts & screws
Fasteners for wind turbine,Structure bolts and nuts Special parts
Welding nuts Railway partsAuto parts
If you have a custom design or specific requirements, please do not hesitate to reach out. We are eager to collaborate with you in creating custom solutions, transforming your unique vision into tangible realities with unmatched precision and expertise, consistently exceeding your expectations.
WHOWE ARE
For an impressive span of over 38 illustrious years, Jinjiang Tagong Hardware Forging Manufacturer Co. Ltd. has been a shining beacon in the fastener industry. Our storied and celebrated legacy narrates a tale of unwavering commitment to outstanding quality and engineering excellence, positioning us as industry leaders. We take immense pride in offering both ready-to-use and bespoke fastener solutions, each meticulously crafted with exceptional precision to meet a diverse array of needs, setting unparalleled benchmarks for quality and reliability.
Founded in 1985, our state-of-the-art manufacturing facility spans a remarkable 60,000 square meters. Nestled in the bustling hub of Jinjiang City, this strategic location significantly enhances our operational efficiency, empowering us to deliver unmatched expertise and unrivaled service to our global clientele with seamless precision.
Our expertise is masterfully showcased through the perfect fusion of advanced forging techniques and precise machining processes. Our production management team collaborates harmoniously with our adept technical R&D department, excelling in crafting custom fasteners that are tailored to meet the unique demands and visions of our esteemed clients, ensuring that every requirement is met with meticulous attention to detail.
Our products are the epitome of remarkable quality and unwavering reliability, having sailed through rigorous testing protocols with extraordinary success. They proudly carry prestigious certifications such as ISO9001/2015, GB/T19001-2016, and SGS, ensuring excellence in every meticulously crafted component, and solidifying our commitment to delivering nothing short of perfection.
Fueled by an unwavering commitment to quality, we have forged an impeccable reputation as a trusted global supplier. Our products are celebrated and widely adopted across numerous continents, including Europe, Australia, North America, and South Asia, amplifying our international influence and esteemed stature on the global stage as a hallmark of excellence.
Development History
Production Workshop
Exhibition: Dive into the future of innovation and engineering brilliance at the Jinjiang Tagong Hardware Forging Manufacturer Co. Ltd. booth. Be mesmerized by the impeccable precision and extraordinary craftsmanship of our esteemed product lineup. Witness the power of our Premium Class 6 Heavy Nuts, meticulously designed for the most demanding industrial applications. Crafted with exceptional care, these nuts stand as a paragon of durability and reliability, offering the ultimate solution for your industrial needs. Each component, with its robust design and flawless execution, transforms from a mere fastener into a masterpiece of functionality and style. Our exclusive finishes elevate these products beyond the ordinary, ensuring they not only meet but exceed industry standards, adding a touch of elegance and unmatched durability. Step forward into a world where reliability harmonizes with style, where these fasteners exemplify the zenith of engineering excellence and aesthetic allure.
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 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