OEM manufacturer Trailer Hub Bolts - Steady quality Hino Em100 Rear Hub Bolt – JINQIANG

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Good quality comes to start with; service is foremost; organization is cooperation is our enterprise philosophy which is regularly observed and pursued by our firm for Suspension Center Bolt With Nut, Threaded Spring Pin, Floating Bearing, We have more than 20 years experience in this industry, and our sales are well trained. We can give you the most professional suggestions to meet your products' requirements. Any troubles, come to us!

OEM manufacturer Trailer Hub Bolts - Steady quality Hino Em100 Rear Hub Bolt – JINQIANG Detail:

Manufacturing process of bolts

high-strength bolt drawing

The purpose of the drawing process is to modify the size of the raw materials, and the second is to obtain the basic mechanical properties of the fastener through deformation and strengthening. If the distribution of the reduction ratio of each pass is not appropriate, it will also cause torsional cracks in the wire rod wire during the drawing process. In addition, if the lubrication is not good during the drawing process, it can also cause regular transverse cracks in the cold drawn wire rod. The tangent direction of the wire rod and the wire drawing die at the same time when the wire rod is rolled out of the pellet wire die mouth is not concentric, which will cause the wear of the unilateral hole pattern of the wire drawing die to aggravate, and the inner hole will be out of round, resulting in uneven drawing deformation in the circumferential direction of the wire, making the wire The roundness is out of tolerance, and the cross-sectional stress of the steel wire is not uniform during the cold heading process, which affects the cold heading pass rate.

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. Can your factory print our brand on the product?
Yes. Customers need to provide us a logo usage authorization letter to allow us to print customer’s logo on the products.

Q2. Is your factory able to design our own package and help us in market planning?
Our factory has more than 20 years experience to deal with package box with customers’ own logo.
We have a design team and a marketing plan design Team to service our customers for this

Q3. Can you help to ship the goods?
YES. We can help to ship the goods through customer forwarder or our forwarder.

Q4. What are our major market?
Our main markets are Middle East, Africa, South America, Southeast Asia , Russia,ect.

Q5. Can you provide customization service?
Yes, We are able to conduct processing in accordance with customers’ engineering drawings, samples, specifications and OEM projects are welcome .

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Our company puts emphasis on the management, the introduction of talented personnel, and the construction of staff building, trying hard to improve the quality and liability consciousness of staff members. Our company successfully attained IS9001 Certification and European CE Certification of OEM manufacturer Trailer Hub Bolts - Steady quality Hino Em100 Rear Hub Bolt – JINQIANG , The product will supply to all over the world, such as: Netherlands, Slovak Republic, Jersey, Wide selection and fast delivery for you! Our philosophy: Good quality, great service, keep improving. We are looking forward that more and more oversea friends join in our family for further development near the future!

The customer service staff's attitude is very sincere and the reply is timely and very detailed, this is very helpful for our deal,thank you.