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

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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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Bear Customer first, Excellent first in mind, we operate closely with our customers and supply them with efficient and expert services 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: Cologne, Afghanistan, Buenos Aires, With the growing of the company, now our products sold and served at more than 15 countries around the world,such as Europe,North America,Middle-east,South America,Southern Asia and so on. As we bear in our mind that innovation is essential to our growth, new product development is constantly.Besides, Our flexible and efficient operation strategies,High quality products and competitive prices are exactly what our customers are looking for. Also a considerable service brings us good credit reputation.

This company conforms to the market requirement and joins in the market competition by its high quality product, this is an enterprise that have Chinese spirit.