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  • Good Quality Hub Bolt - heavy duty truck wheel bolt factory wholesale – JINQIANG

Good Quality Hub Bolt - heavy duty truck wheel bolt factory wholesale – JINQIANG

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Based on domestic market and expand overseas business is our improvement strategy for 22.5 Direct Bolt On Dually Wheels, Retractable Spring Pin, Leaf Spring Center Pin Bolt, If you have the requirement for virtually any of our items, make sure you call us now. We are wanting ahead to hearing from you before long.
Good Quality Hub Bolt - heavy duty truck wheel 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

Q1: What is the surface color?
Black phosphating, gray phosphating, Dacromet, electroplating, etc.

Q2: What is the annual production capacity of the factory?
About a million pcs of bolts.

Q3.What is your lead time？
45-50 days in general. Or please contact us for specific lead time.

Q4.Do you accept OEM order?
Yes, we accept OEM service for Customers.

Q5.What are your terms of delivery?
We can accept FOB,CIF,EXW,C AND F.

Q6.What is the payment way?
T/T,D/P,L/C

Q7.What is the term of payment?
30% deposit advance,70% balance payment before shipment.

Q8. how is your production management and quality control system?
A:There are three testing process to ensure product quality.
B:Products 100% detection
C:The first test: raw materials
D:The second test: semi-finished products
E:The third test: the finished product

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Good Quality Hub Bolt - heavy duty truck wheel bolt factory wholesale – JINQIANG detail pictures

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Usually customer-oriented, and it's our ultimate focus on to be not only by far the most reliable, trustable and honest provider, but also the partner for our customers for Good Quality Hub Bolt - heavy duty truck wheel bolt factory wholesale – JINQIANG , The product will supply to all over the world, such as: Portland, Ireland, Guinea, We strongly believe that technology and service is our base today and quality will create our reliable walls of future. Only we've got better and better quality , could we achieve our customers and ourselves, too. Welcome customers all over the word to contact us for getting further business and reliable relationships. We have been always here working for your demands whenever you require.
    • Superb technology, perfect after-sales service and efficient work efficiency, we think this is our best choice.
    5 Stars By Joyce from Dominica - 2017.09.09 10:18
    Wide range, good quality, reasonable prices and good service, advanced equipment, excellent talents and continuously strengthened technology forces，a nice business partner.
    5 Stars By Betsy from America - 2018.03.03 13:09
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