Professional China American Trucks Hub Bolt - Mack Hub Bolt 4.5 inch 122mm factory wholesale – JINQIANG

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Our organization sticks to your principle of "Quality may be the life of your organization, and reputation will be the soul of it" for Spring Hanger Bracket, Actros Hub Bolt, Semi Truck U Bolts, For further queries or should you have any question regarding our products, please do not hesitate to contact us.
Professional China American Trucks Hub Bolt - Mack Hub Bolt 4.5 inch 122mm 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

FAQ

Q1 what finishing of truck hub bolt?
We have grey phosphated, black phosphated, dacromet, Galvanized

Q2 what is your company’s products?
Our products include truck hub bolt, center bolt, u bolt, spring pin, bracket/clamp, bearing all kind of truck prats.

Q3 what is your delivery time?
If stock good, we will delivery within 10 working days. For a customized order, 30-45 days.

Q4 how many employees of your company?
We have more than 300 employees.

Q5 what is nearest port?
Our port is Xiamen.

Q6 what kind of packing of your products?
It depends on products, usually we have box and carton, plastic box packing.

Q7 are you trading company or manufacturer?
We are professional manufacturer with more than 20 years experiences.


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Professional China American Trucks Hub Bolt - Mack Hub Bolt 4.5 inch 122mm factory wholesale – JINQIANG detail pictures


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We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective. To perfect our service, we provide the products with the good quality at the reasonable price for Professional China American Trucks Hub Bolt - Mack Hub Bolt 4.5 inch 122mm factory wholesale – JINQIANG , The product will supply to all over the world, such as: Maldives, Colombia, Madras, Most problems between suppliers and clients are due to poor communication. Culturally, suppliers can be reluctant to question things they do not understand. We break down those barriers to ensure you get what you want to the level you expect, when you want it. Faster delivery time and the product you want is our Criterion .
  • We have been cooperated with this company for many years, the company always ensure timely delivery ,good quality and correct number, we are good partners.
    5 Stars By Octavia from Bogota - 2018.11.22 12:28
    Perfect services, quality products and competitive prices, we have work many times, every time is delighted, wish continue to maintain!
    5 Stars By Jacqueline from Sheffield - 2018.06.09 12:42
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