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

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Dedicated to strict quality control and thoughtful customer service, our experienced staff members are always available to discuss your requirements and ensure full customer satisfaction for Retractable Spring Pin, 10.9 Center Bolt, Industrial Bearing, We've been glad that we have been steadily escalating using the energetic and long lasting assist of our pleased shoppers!
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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Well-run devices, expert profits group, and better after-sales companies; We have been also a unified huge family, everybody keep on with the organization worth "unification, determination, tolerance" 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: Munich, Greenland, Greek, because of our company has been persisting in the management idea of "Survival by Quality, Development by Service, Benefit by Reputation" . We fully realize the good credit standing, the high quality products, the reasonable price and the professional services are the reason that the customers choose us to be their long-term business partner.
  • The company account manager has a wealth of industry knowledge and experience, he could provide appropriate program according our needs and speak English fluently.
    5 Stars By Esther from Belgium - 2018.02.12 14:52
    A good manufacturers, we have cooperated twice, good quality and good service attitude.
    5 Stars By Beryl from Borussia Dortmund - 2018.09.23 17:37
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