OEM Factory for 4 Bolt Boat Trailer Hub - High standard Wheel bolt for bpw trailer – 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 nearest port?
Our port is Xiamen.
Q2 what kind of packing of your products?
It depends on products, usually we have box and carton, plastic box packing.
Q3 are you trading company or manufacturer?
We are professional manufacturer with more than 20 years experiences for all kind of truck parts.
Q4 what about your quality control?
We always test material, the hardness, tensile, salt spray and so to guarantee the quality.
Q5 what is your payment terms?
We can accept TT,L/C,MONEYGRAM,WESTERN UNION and so on.
Q6 can you offer free samples?
If we have stock samples, we can offer free samples, please pay express fee yourself.
Q7 can I visit your factory?
Yes, sincerely welcome to visit our factory.
Product detail pictures:
Related Product Guide:
Based on domestic market and expand overseas business is our development strategy for OEM Factory for 4 Bolt Boat Trailer Hub - High standard Wheel bolt for bpw trailer – JINQIANG , The product will supply to all over the world, such as: Paraguay, Georgia, St. Petersburg, Many kinds of different solutions are available for you to choose, you can do one-stop shopping here. And customized orders are acceptable. Real business is to get win-win situation, if possible, we would like to deliver more support for customers. Welcome all nice buyers communicate details of solutions with us!!
By Ella from Atlanta - 2017.06.16 18:23
The company keeps to the operation concept scientific management, high quality and efficiency primacy, customer supreme, we have always maintained business cooperation. Work with you,we feel easy!
By Elaine from Marseille - 2018.09.12 17:18
