Why Choose Hardened Steel Bolts for Industrial Applications
When it comes to industrial-grade fastening solutions, hardened steel bolts are essential for high-stress environments. At HardHawk, we are a leading hardened steel bolts factory with over 15 years of experience in manufacturing bolts that deliver strength, durability, and precision.

Whether you need bolts for structural steel, heavy machinery, or OEM projects, our products meet international quality standards and provide long-term reliability.
Key Advantages of Hardened Steel Bolts
- Material Quality: High-carbon steel, heat-treated for maximum hardness and tensile strength
- Sizes & Models: M6โM20, lengths from 20mm to 200mm, fully customizable to your requirements
- Applications: Structural frameworks, automotive components, industrial machinery, and construction projects
- Durability: Corrosion-resistant coatings available, ensuring longevity in harsh environments
Our Factory Capabilities
As one of the top hardened steel bolts factories, HardHawk specializes in:
- Custom manufacturing based on client specifications
- Bulk production with consistent quality
- Fast lead times for global shipping
Technical Support and Services
Choosing the right hardened steel bolt can be challenging. Our team offers:
- Free technical consultation for selecting the correct bolt grade and size
- Sample provision for testing before placing bulk orders
- Ongoing support for OEM and large-scale projects
Applications Across Industries
Our hardened steel bolts are trusted in:
- Construction and structural steel frameworks
- Heavy machinery and industrial equipment
- Automotive and transportation manufacturing
- OEM projects requiring high-precision fasteners
Call to Action
Contact us today to get a personalized quotation and test our premium hardened steel bolts for your next project.
WhatsApp: +86 17740347765 | +86 15831587223
Website: https://hardhawk.cn