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OEM Factory for 4 Bolt Boat Trailer Hub - Mack Hub Bolt 4.5 inch 122mm factory wholesale – JINQIANG Featured Image
  • OEM Factory for 4 Bolt Boat Trailer Hub - Mack Hub Bolt 4.5 inch 122mm factory wholesale – JINQIANG

OEM Factory for 4 Bolt Boat Trailer Hub - Mack Hub Bolt 4.5 inch 122mm factory wholesale – JINQIANG

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Sticking for the belief of Creating items of top of the range and creating buddies with people today from all over the world, we normally put the interest of shoppers in the first place for Transmission Bearing, Pin Bracket, Leaf Spring 6.8 U Bolt, We warmly welcome merchants from home and abroad to call us and establish business relationship with us, and we will do our best to serve you.
OEM Factory for 4 Bolt Boat Trailer Hub - 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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OEM Factory for 4 Bolt Boat Trailer Hub - Mack Hub Bolt 4.5 inch 122mm factory wholesale – JINQIANG detail pictures

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To meet the customers' over-expected pleasure , now we have our potent staff to offer our greatest general service which includes internet marketing, sales, planning, output, quality controlling, packing, warehousing and logistics for OEM Factory for 4 Bolt Boat Trailer Hub - Mack Hub Bolt 4.5 inch 122mm factory wholesale – JINQIANG , The product will supply to all over the world, such as: Slovakia, Islamabad, Estonia, Our factory is equipped with complete facility in 10000 square meters, which makes us be able to satisfy the producing and sales for most auto part solutions. Our advantage is full category, high quality and competitive price! Based on that, our products win a high admiration both at home and abroad.
    • This is a very professional and honest Chinese supplier, from now on we fell in love with the Chinese manufacturing.
    5 Stars By Megan from Mali - 2017.01.28 19:59
    Hope that the company could stick to the enterprise spirit of Quality, Efficiency, Innovation and Integrity, it will be better and better in the future.
    5 Stars By Natalie from Algeria - 2018.09.29 13:24
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