OEM/ODM Manufacturer 5 Bolt Trailer Axle - Mack Hub Bolt 4.5 inch 122mm factory wholesale – JINQIANG

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OEM/ODM Manufacturer 5 Bolt Trailer Axle - Mack Hub Bolt 4.5 inch 122mm factory wholesale – JINQIANG Detail:

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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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We'll make every effort and hard work to be superb and excellent, and speed up our steps for standing inside the rank of intercontinental top-grade and high-tech enterprises for OEM/ODM Manufacturer 5 Bolt Trailer Axle - Mack Hub Bolt 4.5 inch 122mm factory wholesale – JINQIANG , The product will supply to all over the world, such as: Borussia Dortmund, Rio de Janeiro, Kenya, 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.

10.9 Truck Hub Bolt