Chinese Professional 12.9 Truck Wheel Bolt - scania heavy truck wheel bolt – JINQIANG

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Our mission should be to turn out to be an innovative supplier of high-tech digital and communication devices by furnishing benefit added design and style, world-class manufacturing, and repair capabilities for 10mm Axle Bolt, Spring Tie Bolt, Center Bolt And Nut, Together with our efforts, our products have won the trust of customers and been very salable both here and abroad.

Chinese Professional 12.9 Truck Wheel Bolt - scania heavy truck 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.

Manufacturing process of bolts

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. What is your MOQ for processing? Any mould fee? Is the mould fee refunded?

MOQ for fasteners: 3500 PCS. to the different parts,charge mould fee, which will be refunded when reaching a certain quantity, more fully described in our quotation.

Q2. Do you accept the use of our logo?
If you have a large quantity, we absolutely accept OEM.

Q3. Are you trading company or manufacturer ?
A: We are factory.
B. We produce products in house to ensure the quality. But sometimes we can help on local purchase for your extra convenience.

Q4. Do you provide samples ? is it free or extra ?
Yes, we could offer the sample for free charge if the samples in stock but do not pay the air cost.

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"Quality 1st, Honesty as base, Sincere company and mutual profit" is our idea, in an effort to create consistently and pursue the excellence for Chinese Professional 12.9 Truck Wheel Bolt - scania heavy truck wheel bolt – JINQIANG , The product will supply to all over the world, such as: Sydney, Los Angeles, Brasilia, Aiming to grow to be by far the most professional supplier within this sector in Uganda, we keep researching on the creating procedure and raising the high quality of our principal goods. Till now, the merchandise list has been updated on a regular basis and attracted customers from around the globe. Detailed data can be obtained in our web page and you'll be served with good quality consultant service by our after-sale team. They're going to allow you to get complete acknowledge about our items and make a satisfied negotiation. Small business check out to our factory in Uganda can also be welcome at any time. Hope to obtain your inquiries to get a happy co-operation.

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