Hot sale Daf Truck Hub Bolt - Heat treatment NISSAN REAR 37 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.
Cold heading forming of high-strength bolts
Usually the bolt head is formed by cold heading plastic processing. The cold heading forming process includes cutting and forming, single-station single-click, double-click cold heading and multi-station automatic cold heading. An automatic cold heading machine performs multi-station processes such as stamping, heading forging, extrusion and diameter reduction in several forming dies.
(1) Use a semi-closed cutting tool to cut the blank, the easiest way is to use a sleeve type cutting tool.
(2) During the transfer of short-sized blanks from the previous station to the next forming station, the fasteners with complex structures are processed to improve the accuracy of the parts.
(3) Each forming station should be equipped with a punch return device, and the die should be equipped with a sleeve-type ejector device.
(4) The structure of the main slider guide rail and process components can ensure the positioning accuracy of the punch and the die during the effective use period.
(5) The terminal limit switch must be installed on the baffle that controls the material selection, and attention must be paid to the control of the upsetting force.
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 delivery time?
If stock good, we will delivery within 10 working days. For a customized order, 30-45 days.
Q2 how many employees of your company?
We have more than 300 employees.
Q3 what is nearest port?
Our port is Xiamen.
Q4 what kind of packing of your products?
It depends on products, usually we have box and carton, plastic box packing.
Q5 are you trading company or manufacturer?
We are professional manufacturer with more than 20 years experiences.
Q6 what about your quality control?
We always test material, the hardness, tensile, salt spray and so to guarantee the quality.
Q7 what is your payment terms?
We can accept TT,L/C,MONEYGRAM,WESTERN UNION and so on.
Q8 can you offer free samples?
If we have stock samples, we can offer free samples, please pay express fee yourself.
Product detail pictures:
Related Product Guide:
We have now a specialist, efficiency staff to provide good quality company for our consumer. We normally follow the tenet of customer-oriented, details-focused for Hot sale Daf Truck Hub Bolt - Heat treatment NISSAN REAR 37 Wheel Bolt – JINQIANG , The product will supply to all over the world, such as: Johannesburg, Montpellier, Plymouth, What is good price? We provide customers with factory price. In the premise of good quality, efficiency must be paid attention to and maintain appropriate low and healthy profits. What is a fast delivery? We make the delivery according to customers' requirements. Although delivery time depends on the order quantity and the complexity of it, we still try to supply products in time. Sincerely hope we could have long term business relationship.
By Henry from Doha - 2018.09.21 11:44
The accounts manager made a detailed introduction about the product, so that we have a comprehensive understanding of the product, and ultimately we decided to cooperate.
By Alberta from Bahamas - 2018.12.11 14:13
