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

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

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Which has a positive and progressive attitude to customer's desire, our corporation constantly improves our merchandise quality to satisfy the desires of consumers and further focuses on safety, reliability, environmental demands, and innovation of Spring Center Pin, High Tensile Wheel Bolt, Bolt Center Finder, We warmly welcome your participation based on mutual benefits in the near future.
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

Related Product Guide:
we can offer high quality products, competitive price and best customer service. Our destination is You come here with difficulty and we give you a smile to take away 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: Kazakhstan, Afghanistan, Qatar, We always hold on the company's principle honest, professional, effective and innovation, and missions of: let all drivers enjoy their driving at night, let our employees can realize their value of life, and to be stronger and service more people. We are determined to become the integrator of our product market and one-stop service provider of our product market.
    • The factory can meet continuously developing economic and market needs, so that their products are widely recognized and trusted, and that's why we chose this company.
    5 Stars By Joa from Vietnam - 2017.03.28 12:22
    The customer service staff is very patient and has a positive and progressive attitude to our interest, so that we can have a comprehensive understanding of the product and finally we reached an agreement, thanks!
    5 Stars By Helen from Yemen - 2017.11.01 17:04
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