Top Suppliers 8 Bolt 19.5 Rims - Daf truck parts front wheel bolt – 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.
Advantages of company
1. Professional level
Selected materials, in strict accordance with industry standards, production contract satisfactory products, to ensure product strength and accuracy!
2. Quality control
ISO9001 certified manufacturer, quality assurance, advanced testing equipment, strict testing of products, guarantee product standards, controllable throughout the process!
3. Non-standard customization
Professionals, factory customization, factory direct sales, non-standard customization, customized drawings can be customized, and the delivery time is controllable!
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
1.How to deliver goods?
A.Deliver by container or by LCL
2.How to pack your goods?
A.Packed by color box and neutral carton
B.Packed by wooden pallets
3.Can you accept L/C payment terms?
A.Can cooperate by TT,.L/C and D/P payment terms
4.What is your main market?
Europe, America, Southeast Aisa, Middle East, Africa ETC.
5. What is the grade of your products?
A.Hardness is 36-39,tensile strength is 1040Mpa
B.Grade is 10.9
6. What is your yearly output?
18000000 PCS for production each year.
7.When did your factory found?
Factory was founded in 1998,with more than 20 years experience
8.How many squares of your factory?
23310 squares
Product detail pictures:

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Our aim is usually to give superior quality items at aggressive rates, and top-notch company to clients around the earth. We have been ISO9001, CE, and GS certified and strictly adhere to their good quality specifications for Top Suppliers 8 Bolt 19.5 Rims - Daf truck parts front wheel bolt – JINQIANG , The product will supply to all over the world, such as: Hyderabad, Nairobi, Cannes, Due to good quality and reasonable prices, our products have been exported to more than 10 countries and regions. We are looking forward to cooperating with all customers from at home and abroad. Moreover, customer satisfaction is our eternal pursuit.

Sales manager is very enthusiastic and professional, gave us a great concessions and product quality is very good,thank you very much!
