Class8.8 High Strength Hex Bolt Manufacturer, Supplier and Factory In China
Ningbo Teng Qi Fasteners stands as a seasoned expert with two decades of proficiency in manufacturing class 8.8 bolts. Utilizing advanced techniques such as cold heading and hot forging, we deliver a comprehensive size range from M0.8 to M100, meeting diverse industrial needs.
Our material offerings include high-quality carbon steel and alloy steel, ensuring that our class 8.8 bolts exhibit exceptional strength and durability, essential for demanding applications.
With a commitment to quality and reliability, we provide a range of surface treatments such as black oxide for a sleek appearance, galvanization for corrosion resistance, hot-dip galvanization for enhanced durability, and zinc flake coatings for extended protection.
At Ningbo Teng Qi Fasteners, our extensive experience, coupled with cutting-edge manufacturing processes, positions us as a premier provider of class 8.8 bolts, offering solutions that stand the test of time in various industrial settings.
Specification of Class8.8 Bolt:
The specification of Class8.8 bolt refers to its specific dimensions, thread pitch, and other mechanical properties.
| Product name | Class8.8 Bolt |
|---|---|
| Size: | Metric: M0.8-M100 |
| Length: | Metric: Up to 800mm |
| Material: | Medium Carbon Steel/Alloy Steel |
| Strength Grade: | 800 MPa (min) |
| Head Type: | Hex Head/Socket Head/Countersunk Head/Round Head/Flat Head |
| Industry Standards: | ISO/ASTM/ASME/DIN/UNI/JIS |
| Packaging: | Boxes/cartons into wooden pallets |
| Application: | Construction/Automotive/Marine/Aerospace/Food and Beverage Industry/Medical Equipment/Chemical Processing/Water Treatment |
FAQ about Class8.8 Bolt:
1. Q: What distinguishes class 8.8 high-strength bolts from other grades, and why choose them for specific applications?
A: Class 8.8 bolts are characterized by their high tensile strength. They are suitable for applications requiring robust and reliable fastening solutions.
2. Q: How do you ensure the high tensile strength and reliability of your class 8.8 high-strength bolts?
A: Our bolts undergo stringent testing, including material inspections, dimensional checks, and mechanical property assessments, ensuring they meet or exceed the required tensile strength standards.
3. Q: Can customers specify the material type for their class 8.8 high-strength bolts, and what are the available options?
A: Yes, we offer customization with material options including carbon steel and alloy steel to meet the specific requirements of different applications.
4. Q: What is the significance of surface treatments like black oxide, galvanization, and zinc flake coatings for class 8.8 high-strength bolts?
A: These treatments enhance corrosion resistance and durability, making our bolts suitable for a wide range of environments and applications.
5. Q: Can customers request specific sizes or threading for their class 8.8 high-strength bolts?
A: Absolutely, we provide customization options for sizes and threading to meet the unique requirements of our customers.
Quality Control of Class8.8 Bolt:
| Control Method | Detail |
|---|---|
| Material Inspection: | Verify the material's composition, heat treatment, and quality upon receipt. Conduct metallurgical analysis to ensure the material properties meet the standards. |
| Process Control: | Implement strict process control measures for heat treatment, machining, threading, and any other manufacturing steps. Maintain consistent process parameters to ensure uniform quality. |
| Inspection Points: | Introduce inspection points at various stages of manufacturing to check for defects, dimensions, and quality. Inspect threading, dimensions, surface finish, and other critical parameters. |
| Sampling and Testing: | Regularly sample products for testing, such as tensile testing, hardness testing, and metallurgical analysis, to ensure they meet the required specifications. |
| Thread Inspection: | Thoroughly inspect threading using proper thread gauges to ensure accurate dimensions and fit with mating components. |
| Traceability: | Implement a traceability system to track each fasteners journey from raw material to final product. This aids in accountability and recalls if necessary. |