Factory wholesale T Head Bolt - Japanese Trucks NKR Hub 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 |
General information
1.Packing: Packed in 5 pcs per color box.50 pcs per big netural carton
2.Transportation: By sea
3.Delivery: Delivered within 50 days after confirming production.
4.Samples: Usually can produce as per samples customers offered, and can also send samples to customers to check before delivery.
5.After sale: If quality problem, we will be in charge of it and help to solve the problem. But till now ,our quality can be guranteed, never appear problem.
6.Payment: 30% for deposit by TT,70% will be paid before loading by TT
7.Certification: Passed IATF16949 quality management system certification
Product detail pictures:

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The key to our success is Good Product or service High quality, Reasonable Rate and Efficient Service for Factory wholesale T Head Bolt - Japanese Trucks NKR Hub Bolt factory wholesale – JINQIANG , The product will supply to all over the world, such as: Moldova, Iran, Azerbaijan, Our company warmly invites domestic and overseas customers to come and negotiate business with us. Let us join hands to create a brilliant tomorrow! We are looking forward to cooperating with you sincerely to achieve a win-win situation. We promise to try our best to provide you with high quality and efficient services.

Products and services are very good, our leader is very satisfied with this procurement, it is better than we expected,
