OEM Factory for 4 Bolt Boat Trailer Hub - High standard Wheel bolt for bpw trailer – JINQIANG

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Our primary objective is usually to offer our shoppers a serious and responsible small business relationship, offering personalized attention to all of them for Truck Bearing, Wheel Chock Bracket, Deep Groove Ball Bearing, Through our hard work, we have always been on the forefront of clean technology product innovation. We are a green partner you can rely on. Contact us today for more information!
OEM Factory for 4 Bolt Boat Trailer Hub - High standard Wheel bolt for bpw trailer – 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 is nearest port?
Our port is Xiamen.

Q2 what kind of packing of your products?
It depends on products, usually we have box and carton, plastic box packing.

Q3 are you trading company or manufacturer?
We are professional manufacturer with more than 20 years experiences for all kind of truck parts.

Q4 what about your quality control?
We always test material, the hardness, tensile, salt spray and so to guarantee the quality.

Q5 what is your payment terms?
We can accept TT,L/C,MONEYGRAM,WESTERN UNION and so on.

Q6 can you offer free samples?
If we have stock samples, we can offer free samples, please pay express fee yourself.

Q7 can I visit your factory?
Yes, sincerely welcome to visit our factory.


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OEM Factory for 4 Bolt Boat Trailer Hub - High standard Wheel bolt for bpw trailer  – JINQIANG detail pictures


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We have many excellent staff members good at marketing, QC, and dealing with kinds of troublesome problem in the production process for OEM Factory for 4 Bolt Boat Trailer Hub - High standard Wheel bolt for bpw trailer – JINQIANG , The product will supply to all over the world, such as: Peru, Leicester, Malaysia, By integrating manufacturing with foreign trade sectors, we can provide total customer solutions by guaranteeing the delivery of right products to the right place at the right time, which is supported by our abundant experiences, powerful production capability, consistent quality, diversified product portfolios and the control of the industry trend as well as our mature before and after sales services. We'd like to share our ideas with you and welcome your comments and questions.
  • Adhering to the business principle of mutual benefits, we have a happy and successful transaction, we think we will be the best business partner.
    5 Stars By Ruby from Plymouth - 2017.06.29 18:55
    The factory has advanced equipment, experienced staffs and good management level, so product quality had assurance, this cooperation is very relaxed and happy!
    5 Stars By Matthew from luzern - 2017.06.22 12:49
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