Jinjiang Tagong Hardware Forging Manufacturer Co. LTD
Pioneering excellence in the fastener industry, proudly serving since 1985,boasting a remarkable legacy of over 39 years of unwavering dedication to exceptional quality and transformative innovation.
Our expertise is reflected in adherence to esteemed international standards (GB / DIN / ISO / UNI / JIS / GOST / ANSI / ASTM ), and Our customization service is meticulously crafted to match your unique specifications, ensuring an impeccable fit for every distinct requirement.
According to the structure and purpose, wheel nuts can be divided into the following categories:
(1) Classification by shape
Taper Seat Nuts
The most common type, the bottom of the nut is a 60° cone angle, matching the wheel hub hole to ensure centering and tightening.
Applicable to most passenger cars and commercial vehicles.
Ball Seat Nuts
The bottom is a spherical contact surface, suitable for some European models
Flat Seat Nuts
The bottom is flat, usually used with gaskets, suitable for some trucks or modified vehicles.
(2) Classification by function
Standard nuts: ordinary tightening function, need to be installed with a torque wrench.
Locking Wheel Nuts
Use special patterns or special shapes to prevent wheel theft.
Requires a special key to remove (such as McGard, Gorilla brands).
Floating Nuts
Allow slight displacement to reduce bolt stress, suitable for off-road vehicles or heavy-duty vehicles.
2. Key parameters of wheel nuts
Passenger cars: Common M12×1.25, M14×1.5 (such as Japanese and German cars).
Commercial vehicles/trucks: M20×1.5, M22×1.5 (such as heavy trucks).
| DIN74361 A - M22 - Class 10 - Yellow Zinc |
(Samples with surface treatment of Yellow Zinc)
Materrial and surface teatment can be replaced with as below:
| Mechnical Property |
Material |
Surface Treatment |
| Class5 /6 / 8/ 10 /12 |
C45
40Cr
35CrMo
42CrMo
|
♦Plain+oil
♦Zinc Plated
♦Black Oxide
♦Phosphate
♦Dacromet
♦Geomet |
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.
| d |
M12 |
M14 |
M18 |
M20 |
M22 |
| P |
1.5 |
1.5 |
1.5 |
1.5 |
1.5 |
| dc |
23-22.5 |
26-25.5 |
28-27.5 |
33-32.5 |
36-35.5 |
| h |
19-18 |
21-20 |
26-25 |
28-27 |
31-30 |
| k |
7.5 |
7.5 |
7.5 |
9 |
10.5 |
| s |
17-16.73 |
19-18.67 |
24-23.67 |
27-26.67 |
30-29.67 |
| kg/1000 |
26 |
33 |
53 |
76 |
100 |
WHOWE ARE
With an impressive 39years of refined expertise, Jinjiang Tagong Hardware Forging Manufacturer Co. Ltd. stands proudly at the forefront of crafting both standard and bespoke fasteners. Our annual production capacity reaches a towering 30,000 tons, with sales surpassing an astounding 200 million, a testament to our industry prowess and relentless pursuit of excellence. Our expansive facility, sprawling across 60,000 square meters, is a powerhouse of innovation, featuring 35 state-of-the-art hot-forging machines and 300 advanced machining units. Supported by a dedicated team of 200 skilled professionals, this harmonious synergy ensures that excellence is the cornerstone of our operations.
Over three decades of unyielding dedication and innovative spirit have propelled us to develop a sophisticated system of forging and precision machining. This evolution is enhanced by cutting-edge production and inspection equipment, CNC technology, and automated forging lines, setting us distinctly apart from the competition and ensuring unmatched quality.
Driven by our unwavering commitment to quality, we have emerged as a global supplier of distinction. Proud holders of ISO9001 certification, we have successfully passed rigorous SGS testing. Our premium products are celebrated and trusted by a loyal clientele across Europe, North America, and South Asia, solidifying our stature on the global stage.
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
Audited Supplier 
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