OEM China Hub Carrier Bolts - High tensile 12.9 hub bolt factory wholesale – JINQIANG

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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 Cabinet Door Spring Pin, 10 Bolt Hub And Spindle, Bolt Center, Since the manufacturing facility founded, we have now committed on the progress of new products. While using the social and economic pace, we are going to continue to carry forward the spirit of high high-quality, efficiency, innovation, integrity, and persist with the operating principle of credit to start with, customer initially, top quality excellent. We'll make a amazing long run in hair output with our companions.
OEM China Hub Carrier Bolts - 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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OEM China Hub Carrier Bolts - High tensile 12.9 hub bolt factory wholesale – JINQIANG detail pictures


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Our enterprise aims to operating faithfully, serving to all of our prospects , and working in new technology and new machine frequently for OEM China Hub Carrier Bolts - High tensile 12.9 hub bolt factory wholesale – JINQIANG , The product will supply to all over the world, such as: Jeddah, Moscow, Greenland, Our company upholds the spirit of innovation, harmony, team work and sharing, trails, pragmatic progress. Give us a chance and we will prove our capability. With your kind help, we believe that we can create a bright future with you together.
  • As an international trading company, we have numerous partners, but about your company, I just want to say, you are really good, wide range, good quality, reasonable prices, warm and thoughtful service, advanced technology and equipment and workers have professional training, feedback and product update is timely, in short, this is a very pleasant cooperation, and we look forward to the next cooperation!
    5 Stars By Diana from Kyrgyzstan - 2018.02.12 14:52
    Speaking of this cooperation with the Chinese manufacturer, I just want to saywell dodne, we are very satisfied.
    5 Stars By Constance from Zambia - 2017.08.16 13:39
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