Jinjiang Tagong Hardware Forging Manufacturer Co. LTD,
Specializing in the production of nuts since 1985,
Standard nuts (GB/DIN/ISO/UNI/JIS/GOST/ANSI/ASTM);
Special nuts (slotted nuts, nylon insert nuts, flange nuts, self-locking nuts, square nuts, cap nuts, etc.)
Prevailing torque type all-metal hexagon nuts with flange such as DIN EN 1666, DIN1667, DIN6926, DIN6927 and so on
1. Standard code: DIN EN 1666, DIN1667, DIN6926, DIN6927 Flange nuts
2. Material: Mild(1008/1010), Medium Carbon steel(35#/45#), Alloy Steel(40Cr/35CrMo/4140), etc
3. Sizes: From M16 to M64 all sizes
4. Grade: From Class 4 to Class 12 Thread Tapped after heat treatment.
5. Finished: Plain+ oil, Black, Zinc, HDG, Phosphated, Dacromet etc.
6. Package: Export standard packing: Euro Pallet + 25 KG/carton
We also produce nuts according to your standard. If you have any fasteners enquiry suitting for us, pls feel free to send us an email with detailed requirements, we will quote you a right and best prices at the first time.
Thread size
d |
M8 |
M10 |
M12 |
M14 |
M16 |
M20 |
| P |
1 |
1 |
1.5 |
1.5 |
1.5 |
1.5 |
| - |
1.25 |
1.25 |
- |
- |
- |
| C min |
1.2 |
1.5 |
1.8 |
2.1 |
2.4 |
3 |
| da |
8-8.75 |
10-10.8 |
12-13 |
14-15.1 |
16-17.3 |
20-21.6 |
| dc max |
17.9 |
21.8 |
26 |
29.9 |
34.5 |
42.8 |
| dw min |
15.8 |
19.6 |
23.8 |
27.6 |
31.9 |
39.9 |
| e min |
14.38 |
17.77 |
20.03 |
23.36 |
26.75 |
32.95 |
| h |
11.1-10.4 |
13.5-12.8 |
16.1-15.4 |
18.2-16.9 |
20.3-19 |
24.8-22.7 |
| m min |
7.6 |
9.6 |
11.6 |
13.3 |
15.3 |
18.7 |
| mw min |
4.6 |
5.9 |
6.8 |
7.7 |
8.9 |
10.7 |
| s |
13-12.73 |
16-15.73 |
18-17.73 |
21-20.67 |
24-23.67 |
30-29.16 |
| r max |
0.48 |
0.6 |
0.72 |
0.88 |
0.96 |
1.2 |
WHO WE ARE
With over 38 years of manufacturing experience, Tagong is an expert in the manufacturing of standard and special fasteners.
Founded in 1985, we have established an advanced manufacturing factory covering an area of 60,000 square meters in Jinjiang City.
With a production system that combines forging and high-precision machining, a professional production management team, and a senior technical R&D department, we can according to the customer's unique specifications and drawings produce special fasteners.
Our products have passed ISO9001/2015, GB/T19001-2016, and SGS certificate testing and certification.
Our passion for excellence has driven us to become a global supplier. Our products have been exported to Europe, Australia, North America, South Asia, and other places, and are well received by customers.
Development History
Production Workshop
Audited Supplier 
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