8 Year Exporter Bolt On Trailer Spindle And Hub – HD5T Front Wheel Bolt factory wholesale – JINQIANG Detail:
Product description
Hub bolts are high-strength bolts that connect vehicles to the wheels. The connection location is the hub unit bearing of the wheel! Generally, class 10.9 is used for mini-medium vehicles, class 12.9 is used for large-sized vehicles! The structure of the hub bolt is generally a knurled key file and a threaded file! And a hat head! Most of the T-shaped head wheel bolts are above 8.8 grade, which bears the large torsion connection between the car wheel and the axle! Most of the double-headed wheel bolts are above grade 4.8, which bear the lighter torsion connection between the outer wheel hub shell and the tire.
Our Hub bolt quality standard
10.9 hub bolt
| hardness | 36-38HRC |
| tensile strength | ≥ 1140MPa |
| Ultimate Tensile Load | ≥ 346000N |
| Chemical Composition | C:0.37-0.44 Si:0.17-0.37 Mn:0.50-0.80 Cr:0.80-1.10 |
12.9 hub bolt
| hardness | 39-42HRC |
| tensile strength | ≥ 1320MPa |
| Ultimate Tensile Load | ≥406000N |
| Chemical Composition | C:0.32-0.40 Si:0.17-0.37 Mn:0.40-0.70 Cr:0.15-0.25 |
FAQ
Q1: what is your capacity of production?
We can produce more than 1500,000pcs bolts every month.
Q2: where is your factory location?
We are in rongqiao industrial area, liucheng street, nan’an, quanzhou, Fujian, china
Q3: how many heat treatment lines you have?
We have four advanced heat treatment lines.
Q4: what is your trade terms?
We can accept EXW, FOB, CIF and C&F.
Q5: how many countries you export?
We export to more than 100 countries, like Egypt, dubai, Kenya, Nigeria, sudan etc.
Q6: do you offer customized service?
Yes, we can offer customized service, we can produce according to sample or drawings.
Q7: What is your main products?
We are specialized in wheel bolts and nuts, u bolts, center bolt and spring pin etc.
We are manufacturer specialized in all kinds of auto parts
Product detail pictures:
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We insist on the principle of development of 'High quality, Efficiency, Sincerity and Down-to-earth working approach' to deliver you with great provider of processing for 8 Year Exporter Bolt On Trailer Spindle And Hub – HD5T Front Wheel Bolt factory wholesale – JINQIANG , The product will supply to all over the world, such as: Moldova, Kazakhstan, Jersey, Our staffs are adhering to the Integrity-based and Interactive Development spirit, and the tenet of First-class Quality with Excellent Service. According to the needs of every customer, we give customized & personalised services to help customers achieve their goals successfully. Welcome clients from home and abroad to call and inquire!
Managers are visionary, they have the idea of mutual benefits, continuous improvement and innovation, we have a pleasant conversation and Cooperation.


