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High reputation Trailer Lug Studs - Mack Hub Bolt 4.5 inch 122mm factory wholesale – JINQIANG Featured Image
  • High reputation Trailer Lug Studs - Mack Hub Bolt 4.5 inch 122mm factory wholesale – JINQIANG

High reputation Trailer Lug Studs - Mack Hub Bolt 4.5 inch 122mm factory wholesale – JINQIANG

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With our leading technology at the same time as our spirit of innovation,mutual cooperation, benefits and development, we are going to build a prosperous future alongside one another with your esteemed enterprise for Semi Truck Wheel Stud Size, 4.8 Center Bolt, 8 Bolt Truck Rims, Welcome to set up long-term relationship with us. Best Price For Good Quality in China.
High reputation Trailer Lug Studs - 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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High reputation Trailer Lug Studs - Mack Hub Bolt 4.5 inch 122mm factory wholesale – JINQIANG detail pictures

Related Product Guide:
Good quality comes 1st; assistance is foremost; business enterprise is cooperation is our business enterprise philosophy which is regularly observed and pursued by our company for High reputation Trailer Lug Studs - Mack Hub Bolt 4.5 inch 122mm factory wholesale – JINQIANG , The product will supply to all over the world, such as: Brisbane, Slovenia, Mali, We insist on the principle of Credit being primary, Customers being the king and Quality being the best, we are looking forward to the mutual cooperation with all friends at home and abroad and we will create a bright future of business.
    • This enterprise in the industry is strong and competitive, advancing with the times and develop sustainable, we are very pleased to have a opportunity to cooperate!
    5 Stars By Pearl from Leicester - 2018.06.03 10:17
    Product quality is good, quality assurance system is complete, every link can inquire and solve the problem timely!
    5 Stars By Naomi from Barcelona - 2017.03.08 14:45
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