Good Quality Hub Bolt - High tensile 12.9 hub bolt factory wholesale – JINQIANG

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We not only will try our greatest to offer you excellent services to just about every client, but also are ready to receive any suggestion offered by our buyers for Bolt On Axle Hubs, Cylindrical Roller Bearing, Black Color Center Bolt, Our highly specialized process eliminates the component failure and offers our customers unvarying quality, allowing us to control cost, plan capacity and maintain consistent on time delivery.
Good Quality Hub Bolt - High tensile 12.9 hub bolt 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

1.What is your main products?
A.We are specialized in wheel bolts and nuts, u bolts, center bolt and spring pin etc.
B.We are manufacturer specialized in all kinds of auto parts

2.Where is your factory?
A.Our factory is located in rongqiao industrial area, liucheng street, nana’an, quanzhou city, fujian province in china

3.What is your MOQ?
A.For wheel bolts and nuts,need 3500 pcs per item
B.U bolt 300 pcs
C.Center bolt 1000 pcs

4.How is your quality?
A.10.9 GRADE
B.high quality

5.What is the finishing of your products?
A.BLACK/GREY PHOSPHATE
B.ZINC COATING

6.What is your advantage of your factory?
A.More than 20 years professional experience
B.Strong technology stuy team
C.Deliver to more than 50 countries


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We always believe that one's character decides products' quality, the details decides products' quality ,with the REALISTIC,EFFICIENT AND INNOVATIVE team spirit for Good Quality Hub Bolt - High tensile 12.9 hub bolt factory wholesale – JINQIANG , The product will supply to all over the world, such as: Mauritius, Naples, Cyprus, We integrate design, manufacture and export together with more than 100 skillful workers, strict quality controlling system and experienced technology.We keep long term business relationships with wholesaler and distributors form more than 50 countries, such as USA, UK, Canada, Europe and Africa etc.
The quality of the products is very good, especially in the details, can be seen that the company work actively to satisfy customer's interest, a nice supplier.
5 Stars By Carlos from Bolivia - 2017.12.31 14:53
The company keeps to the operation concept scientific management, high quality and efficiency primacy, customer supreme, we have always maintained business cooperation. Work with you,we feel easy!
5 Stars By Pamela from Turkmenistan - 2017.09.22 11:32
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