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.
| 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 |
1. Specifications and standards: Strictly control the production standards, so that the error is controlled within the acceptable range, and the force is uniform
2. Various specifications: various product specifications, source factory, quality assurance, welcome to place an order!
3. Production process: carefully made, strictly selected steel and carefully forged, the surface is smooth with few burrs
Q1: Can you offer price list?
We can offer all parts which we handing brands, as the price is fluctuating frequently, please send us detailed inquiry with parts number, photo and estimated unit order quantity, we will offer the best price for you.
Q2: Can you offer the products catalog?
We can offer all kinds of our products’ catalog in E-book.
Q3: How many people in your company?
More than 200 people.
Q4: What else products you can make without wheel bolt?
Almost all kinds of truck parts we can make for you. Brake pads, center bolt, U bolt, steel plate pin, Truck Parts Repair Kits, casting, bearing and so on.
Q5: Do you have an International Certificate of Qualification?
Our company has obtained the 16949 quality inspection certificate, passed international quality management system certification and always adhere to automotive standards of GB/T3098.1-2000.