S-91290A166 M7 x 25 mm DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional strength-to-weight ratio with Class 12.9 rating and 170,000 PSI tensile strength for reliable performance in high-stress applications
• Superior corrosion resistance through black-oxide coating on alloy steel, extending service life in demanding industrial environments
• Precision thread engagement with Class 5g6g fit and M7x1mm coarse thread ensuring secure, vibration-resistant fastening
• Optimized torque transmission via 6mm hex drive and standard socket head profile for easy installation and removal
• Full-thread design providing maximum grip length and uniform stress distribution along the entire 25mm length
• Consistent dimensional accuracy meeting DIN 912/ISO 4762 specifications for reliable interchangeability
• Regulatory compliance with RoHS 3 and REACH standards for safe use across global industrial markets

Professional Applications & Engineering Value

These high-strength socket head cap screws deliver exceptional engineering value in demanding applications where reliability is critical. The black-oxide alloy steel construction provides superior protection against corrosion while maintaining the Class 12.9 strength rating required for heavy machinery, automotive assemblies, and precision equipment. The M7 x 1mm coarse thread with Class 5g6g fit ensures rapid installation and secure fastening in high-vibration environments, reducing maintenance downtime. The standard socket head profile with 6mm hex drive allows for precise torque application in confined spaces, making these metric socket screws ideal for aerospace components, industrial robotics, and manufacturing equipment where space constraints and performance requirements converge.

Specification Summary & Compliance

This socket head cap screw features precision M7 x 1mm coarse threads with Class 5g6g thread fit according to ISO metric standards. Manufacturing complies with DIN 912/ISO 4762 specifications for dimensional accuracy and mechanical properties. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations regarding substance restrictions. With Rockwell C37 hardness and 170,000 PSI tensile strength, these fasteners maintain consistent performance across industrial applications requiring Class 12.9 strength certification.