8 Year Exporter Bolt On Trailer Spindle And Hub – hub bolt for bpw 03.296.13.090 – 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. How do you guarantee quality?
JQ practices the worker’s self-inspection and routing inspection on a regular basis during production, strict sampling before packaging and the delivery after compliance. Each batch of products is accompanied by Inspection Certificate from JQ and raw materials test report from the steel factory.
Q2. What is your MOQ for processing? Any mould fee? Is the mould fee refunded?
MOQ for fasteners: 3500 PCS. to the different parts,charge mould fee, which will be refunded when reaching a certain quantity, more fully described in our quotation.
Q3. Do you accept the use of our logo?
If you have a large quantity, we absolutely accept OEM.
Q4. Are you trading company or manufacturer ?
A: We are factory.
B. We produce products in house to ensure the quality. But sometimes we can help on local purchase for your extra convenience.
Product detail pictures:
Related Product Guide:
Our focus on should be to consolidate and enhance the quality and repair of present products, in the meantime constantly establish new products to meet unique customers' requires for 8 Year Exporter Bolt On Trailer Spindle And Hub – hub bolt for bpw 03.296.13.090 – JINQIANG , The product will supply to all over the world, such as: Zurich, Swedish, Montpellier, All the employees in factory, store, and office are struggling for one common goal to provide better quality and service. Real business is to get win-win situation. We would like to provide more support for customers. Welcome all nice buyers to communicate details of our products with us!
The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.



