High Strength Bolts and Nuts with HRC≥50 Hardness and M3 to M24 Size Range for Industrial Fastening

Bolts and nuts are essential fastening components engineered for secure and reliable connections across various industries. Our product line features the Coach Bolt style, known for robust design and superior fastening capabilities, available in quality levels 10.9 and 12.9 for exceptional high-strength performance.

Available in sizes ranging from M20 to M45, these fasteners are ideal for demanding applications including stud bolt and nut sets for ASME B16.5 flanges, duplex stainless steel bolts and nuts S31803, and ASTM A449 high strength carbon steel hex bolts.

• Product Name: Bolts and Nuts
• Temperature Range: -40°C to 150°C
• Size Range: M3 to M24
• Quality Level: 10.9 and 12.9
• Style: Coach Bolt
• Hardness: HRC≥50
• Includes ASTM A320 B8 Class 1 stainless steel bolts (low temperature)
• Includes ASTM A194 2H heavy hex nuts
• Includes ASTM A193 B8M Class 2 stainless steel stud bolts (SS316)

Our bolts and nuts are manufactured with strict quality control measures, ensuring 100% inspection to meet the highest standards for reliability and safety in critical applications.

These fasteners are engineered to perform effectively within a wide temperature range (-40°C to 150°C), making them ideal for:

• Structural connections in construction and infrastructure projects
• Automotive manufacturing and heavy machinery
• Oil and gas, petrochemical, and power generation industries
• Marine applications and offshore platforms
• Chemical processing plants and hydrogen service applications
• Renewable energy sectors

We offer comprehensive customization services to meet your specific requirements:

• Custom-shaped cross section shapes for perfect fit
• Guaranteed hardness of HRC≥50
• Operating temperature range: -40°C to 150°C
• Precise cap diameter of 12 mm
• Coach bolt style design
• Compatible with ASTM A194 2H heavy hex nuts and ASTM A194 Grade 8M stainless steel nuts

Our comprehensive support services include:

• Detailed product specifications and installation guidelines
• Expert technical support for product selection and troubleshooting
• Customized solutions for specific project requirements
• Quality assurance testing and certification documentation
• Continuous product updates incorporating latest industry standards
• Timely assistance throughout purchasing and application process