S-91290A815 M16 x 45 mm DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with 170,000 psi tensile strength and Class 12.9 rating for reliable performance in high-stress applications
• Superior corrosion resistance from the black-oxide coating, extending service life in demanding industrial environments
• Precise torque transmission through the 14mm hex drive and standard socket head profile, preventing tool slippage and damage
• Optimized thread engagement with Class 5g6g thread fit and M16x2mm coarse thread spacing for quick assembly and vibration resistance
• Maximum material hardness at Rockwell C37, ensuring excellent wear resistance and dimensional stability under heavy loads
• Full-threaded design providing consistent clamping force along the entire 45mm length for uniform stress distribution
• Global compliance assurance meeting DIN 912/ISO 4762 standards plus RoHS 3 and REACH environmental regulations

Professional Applications & Engineering Value

These Class 12.9 socket head cap screws deliver critical engineering solutions where failure is not an option. The black-oxide alloy steel construction provides superior protection against rust and chemical exposure in manufacturing, automotive, and heavy machinery applications. The M16x2mm coarse thread design ensures rapid installation while maintaining secure fastening in high-vibration environments. With 170,000 psi tensile strength and Rockwell C37 hardness, these metric screws withstand extreme mechanical stresses without deformation, making them ideal for structural components, precision equipment, and critical assemblies requiring high-strength fasteners that maintain integrity under continuous operational demands.

Specification Summary & Compliance

This socket head cap screw features precision Class 5g6g thread fit tolerance per ISO metric standards, ensuring consistent threading performance. Manufacturing complies with DIN 912/ISO 4762 specifications for dimensional accuracy and mechanical properties. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting international environmental regulations for hazardous substances. The 45mm length with fully threaded design provides versatile fastening solutions while maintaining the specified Class 12.9 strength rating throughout the component.