OEM/ODM Manufacturer 5 Bolt Trailer Axle - scania heavy truck wheel bolt – JINQIANG

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Our pursuit and corporation aim should be to Always satisfy our consumer requirements. We carry on to build and style and design remarkable quality items for both our outdated and new clients and reach a win-win prospect for our clients at the same time as us for Semi Truck Wheel Stud Size, Bolts For Wheel Bearing, Hub Carrier Bolts, Our company is working through the procedure principle of integrity-based, cooperation created, people oriented, win-win cooperation. We hope we can have a pleasant relationship with businessman from all around the earth.

OEM/ODM Manufacturer 5 Bolt Trailer Axle - 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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The customer service staff is very patient and has a positive and progressive attitude to our interest, so that we can have a comprehensive understanding of the product and finally we reached an agreement, thanks!