China Fastener Manufacturer
OuKaiLuo is Your Professional Fastener manufacturer
About OuKaiLuo
Ningbo OuKaiLuo Hardware Co., Ltd, established in 1999, has been a leading manufacturer and supplier of fasteners. ISO, RoHS, SGS, Bureau Veritas Certificated. Our main export market is North America, Europe, Oceania, Korea and so on.
Why Choose Us
We have 6 advantages, which make us meet your needs better.
OEM&ODM service
As a fastener manufacturer, we are willing to provide OEM&ODM services to any customer.
Since 1999
Our factory established in 1999, has been a leading manufacturer and supplier of fasteners.
Production of various fasteners
Our company can provide variety ranges of fasteners.
Own automatic packaging machine
Automatic packaging machine makes the packing quantity more correct, uniform and saves labor cost.
Own salt spray test machine
Our factory own salt spray test machine, the time can ensure 72hrs, 96hrs, 500hrs, 1000hrs
Own automatic sorting machine
Our factory equipped automatic sorting machine, the unqualified ratio can be control below 200PPM.
Latest
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25
Sep
Hardness classes and advantages of hexagon bolts
The so-called hexagon socket bolt refers to the hexagon socket head shaped cylinder head, which can also be called hexagon socket head screw. The commonly used hexagon socket bolts are of class 4.8, class 8.8, class 10.9 and class 12.9. We can choose different classes of hexagon bolts according to the different needs of customers, so as to play a more beneficial role in the performance of bolts. According to the Understanding of the Chinese standard parts network, tell you about the hardness of hexagon bolts have what.
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