Cold heading Service

SS304 Stainless Steel Hex Bolt Manufacturer, Supplier and Factory In China

Ningbo Teng Qi Fasteners, a distinguished manufacturer of stainless steel 304 (SS304) hex bolts, employs advanced manufacturing techniques, including cold heading and hot forging, to produce a comprehensive size range from M1.6 to M100. Our commitment to excellence extends to offering various performance grades, such as A2-50, A2-70, A2-80, and A2-100.

In addition to our diverse size and performance options, we prioritize surface treatment to enhance functionality and aesthetics. Our offerings include options like polished finishes for a clean look, passivation for corrosion resistance, anti-locking oil coatings for enhanced functionality, blue wax coatings for a distinctive appearance, and zinc flake coatings for added durability.

Ningbo Teng Qi Fasteners is dedicated to providing versatile, high-quality SS304 hex bolts that cater to a wide array of applications. Our commitment to precision, performance, and surface treatment options makes us a trusted choice for those seeking reliable and customizable fastener solutions.

SS304 Stainless Steel Hex Bolt

Specification of ss304 Hex Bolt:

The specification of ss304 hex bolt refers to its specific dimensions, thread pitch, and other mechanical properties.

Product namess304 Hex Bolt
Size:Metric: M1.6-M100
Imperial:0# to 4"
Length:Metric: Up to 800mm
Imperial: Up to 30"
Strength Grade:A2-50,A2-70,A2-80,A2-100
Head Type:Hex Head
Industry Standards:DIN933/DIN931/ISO4017/ISO4014
Standard Compliance:ISO3506-1
Surface Finish:Polished(wash bright), passivated for corrosion resistance, anti-locking oil coatings, blue wax coatings, zinc flake coating
Packaging:Boxes/cartons into wooden pallets
Application:Construction/Automotive/Marine/Aerospace/Food and Beverage Industry/Medical Equipment/Chemical Processing/Water Treatment

FAQ about SS304 Hex Bolt:

1. Q: How do you ensure the corrosion resistance of your SS304 hex bolts?
A: Our SS304 hex bolts undergo rigorous corrosion resistance testing, and we apply surface treatments such as passivation to enhance their protection against corrosion.

2. Q: What specific measures are implemented during the manufacturing process to uphold the highest standards for SS304 hex bolts?
A: Our manufacturing process includes meticulous material inspections, dimensional checks, and mechanical property testing to guarantee the quality and performance of every SS304 hex bolt.

3. Q: Can customers request Material Test Reports (MTRs) for SS304 hex bolts to verify their composition and properties?
A: Certainly, customers can request MTRs for specific batches, providing detailed information about the composition and mechanical properties of the stainless steel.

4. Q: What applications are suitable for SS304 hex bolts?
A: SS304 hex bolts are ideal for applications requiring both high corrosion resistance and mechanical strength, making them suitable for use in marine environments, chemical processing, and more.

5. Q: What is the expected lifespan of SS304 hex bolts in various environments?

A: The lifespan of A4-80 hex bolts depends on factors like environmental conditions and usage. In corrosive environments, their corrosion resistance contributes to a longer lifespan compared to standard steel bolts.

Quality control of SS304 Hex Bolt:

Control MethodDetail
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.