Bottom price Hub Pinch Bolt - heavy duty truck 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 the surface color?
Black phosphating, gray phosphating, Dacromet, electroplating, etc.
Q2: What is the annual production capacity of the factory?
About a million pcs of bolts.
Q3.What is your lead time?
45-50 days in general. Or please contact us for specific lead time.
Q4.Do you accept OEM order?
Yes, we accept OEM service for Customers.
Q5.What are your terms of delivery?
We can accept FOB,CIF,EXW,C AND F.
Q6.What is the payment way?
T/T,D/P,L/C
Q7.What is the term of payment?
30% deposit advance,70% balance payment before shipment.
Q8. how is your production management and quality control system?
A:There are three testing process to ensure product quality.
B:Products 100% detection
C:The first test: raw materials
D:The second test: semi-finished products
E:The third test: the finished product
Product detail pictures:

Related Product Guide:
With advanced technologies and facilities, strict high quality regulate, reasonable price tag, excellent support and close co-operation with shoppers, we have been devoted to furnishing the best benefit for our buyers for Bottom price Hub Pinch Bolt - heavy duty truck wheel bolt factory wholesale – JINQIANG , The product will supply to all over the world, such as: kazakhstan, Mecca, America, Based on our guiding principle of quality is the key to development, we continually strive to exceed our customers' expectations. As such, we sincerely invite all interested companies to contact us for future cooperation, We welcome old and new customers to hold hands together for exploring and developing; For more information, be sure to feel free to contact us. Thanks. Advanced equipment, strict quality control, customer-orientation service, initiative summary and improvement of defects and extensive industry experience enable us to guarantee more customer satisfaction and reputation which, in return, brings us more orders and benefits. If you are interested in any of our merchandise, make sure you feel free to contact us. Inquiry or visit to our company are warmly welcome. We sincerely hope to start a win-win and friendly partnership with you. You can see more details in our website.

In China, we have many partners, this company is the most satisfying to us, reliable quality and good credit, it is worth appreciation.
