2022 Good Quality Truck Wheel 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:
Well-run products, skilled income group, and better after-sales products and services; We have been also a unified massive family, all people stick with the business price unification, dedication, tolerance for 2022 Good Quality Truck Wheel Bolt - heavy duty truck wheel bolt factory wholesale – JINQIANG , The product will supply to all over the world, such as: Angola, Vietnam, Russia, By integrating manufacturing with foreign trade sectors, we can offer total customer solutions by guaranteeing the delivery of right items to the right place at the right time, which is supported by our abundant experiences, powerful production capability, consistent quality, diversified product portfolios and the control of the industry trend as well as our mature before and after sales services. We'd like to share our ideas with you and welcome your comments and questions.
This manufacturer can keep improving and perfecting products and service, it is in line with the rules of market competition, a competitive company.




