Chinese Professional 12.9 Truck Wheel Bolt - 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:
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We will make every effort to be outstanding and perfect, and accelerate our steps for standing in the rank of international top-grade and high-tech enterprises for Chinese Professional 12.9 Truck Wheel Bolt - hub bolt for bpw 03.296.13.090 – JINQIANG , The product will supply to all over the world, such as: Liberia, Borussia Dortmund, Hyderabad, Now, we professionally supplies customers with our main merchandise And our business is not only the buy and sell, but also focus on more. We target to be your loyal supplier and long-term cooperator in China. Now, We hope to be the friends with you.
The customer service staff is very patient and has a positive and progressive attitude to our interest, so that we can have a comprehensive understanding of the product and finally we reached an agreement, thanks!




