OEM China Hub Carrier Bolts - Renault Grade 10.9 wheel bolt – 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.
advantage
Why choose us?
We are the source factory and have a price advantage. We have been manufacturing tire bolts for twenty years with quality assurance.
What truck model bolts are there?
We can make tire bolts for all kinds of trucks around the world, European, American, Japanese, Korean, and Russian.
high-strength bolt heat treatment
High-strength fasteners must be quenched and tempered according to technical requirements. The purpose of heat treatment and tempering is to improve the comprehensive mechanical properties of fasteners to meet the specified tensile strength value and yield ratio of the product.
The heat treatment process has a crucial impact on high-strength fasteners, especially its intrinsic quality. Therefore, in order to produce high-quality high-strength fasteners, advanced heat treatment technology and equipment must be available.
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:How many sales do your factory have?
We have 14 professional sales,8 for domestic market,6 for foreign market
Q2:Do you have testing inspection department?
We have inspection department with control laboratory of quality for torsion test, tensile test, metallography Microscope, hardness test, polishing, salt spray test, material analysis, impat test.
Q3: What truck model bolts are there?
We can make tire bolts for all kinds of trucks around the world, European, American, Japanese, Korean, and Russian.
Q4: How long is the lead time?
45 days to 60 days after placing the order.
Q5: What’s the payment term?
Air order: 100% T/T in advance; Sea Order: 30% T/T in advance, 70% balance before shipping, L/C,D/P, western union, moneygram
Product detail pictures:
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Our corporation insists all along the quality policy of product top quality is base of organization survival; purchaser pleasure will be the staring point and ending of an company; persistent improvement is eternal pursuit of staff plus the consistent purpose of reputation very first, purchaser first for OEM China Hub Carrier Bolts - Renault Grade 10.9 wheel bolt – JINQIANG , The product will supply to all over the world, such as: Florence, Monaco, Muscat, we're now looking forward to even greater cooperation with overseas customers based on mutual benefits. We are going to work wholeheartedly to improve our products and services. We also promise to work jointly with business partners to elevate our cooperation to a higher level and share success together. Warmly welcome you to visit our factory sincerely.
By Sabrina from Mexico - 2017.12.31 14:53
Customer service staff and sales man are very patience and they all good at English, product's arrival is also very timely, a good supplier.
By Klemen Hrovat from Portugal - 2017.06.25 12:48
