Best quality 10.9 Benz Hub Bolt - heavy duty truck wheel bolt factory wholesale – JINQIANG

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Best quality 10.9 Benz 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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Best quality 10.9 Benz Hub Bolt - heavy duty truck wheel bolt factory wholesale – JINQIANG detail pictures


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The key to our success is "Good Product Quality, Reasonable Value and Efficient Service" for Best quality 10.9 Benz Hub Bolt - heavy duty truck wheel bolt factory wholesale – JINQIANG , The product will supply to all over the world, such as: Ecuador, Malaysia, Belize, We are proud to supply our products to every auto fan all around the world with our flexible, fast efficient services and strictest quality control standard which has always approved and praised by customers.
  • Superb technology, perfect after-sales service and efficient work efficiency, we think this is our best choice.
    5 Stars By Irene from Namibia - 2017.06.22 12:49
    Sales manager is very enthusiastic and professional, gave us a great concessions and product quality is very good,thank you very much!
    5 Stars By Quintina from USA - 2017.11.20 15:58
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