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.)
| DIN934 - M90 - Class8 - Black oxide |
(samples with surface treatment of Black oxide)
| Mechnical Property |
Material |
Surface Treatment |
| Class 8 |
Steel 45 |
Black oxide |
| Thread size |
M90 / M90x4 |
| 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 - M90 |
| Thread Size |
m |
mw max |
s |
e min |
| M90x6 |
72-70.1 |
56.1 |
130-127.5 |
144.08 |
| M90x4 |
72-70.1 |
56.1 |
130-127.5 |
144.08 |
WHO WE ARE
With over 35 years of experience,Tagong is the expert in the manufacturing standard fasteners and special fasteners.
Our passion for excellence has driven us to become a globe supplier.Our products have been export to Europe,
Australia,North America and South Asia.Well received by customer.
Established in 1985,our 60,000 square meters state-of-the-art manufacturing facility founded in Jinjiang City has a large capacity to produce specialty fasteners to our customer's unique specifications,and drawings.We have and integrated
process of hot forging.It introduced advanced producing and inspection equipments .
Certificated with ISO9001/2015, GB/T19001-2016,and SGS certificate test.
Development History
Production Workshop
Audited Supplier 
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