S-91290A119 M3 x 14 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 demanding applications
• Superior corrosion resistance through black-oxide surface treatment, extending service life in harsh industrial environments
• Precise torque transmission enabled by 2.5mm hex drive and standard socket head profile, reducing tool slippage and installation errors
• Optimized thread engagement with Class 5g6g thread fit and coarse 0.5mm pitch, ensuring secure fastening and vibration resistance
• Full thread coverage along the 14mm length provides maximum grip strength and load distribution across joined components
• Consistent dimensional accuracy maintained through DIN 912/ISO 4762 compliance, guaranteeing interchangeability and fit
• Regulatory compliance assurance with RoHS 3 and REACH standards, meeting global environmental and safety requirements

Professional Applications & Engineering Value

These M3 socket head cap screws deliver critical performance advantages in precision engineering applications where space constraints and high stress loads coexist. The black-oxide alloy steel construction provides superior protection against corrosion while maintaining the Class 12.9 strength rating essential for heavy machinery, automotive assemblies, and industrial equipment. The hex drive compatibility with 2.5mm tools enables secure installation in confined spaces, while the fully threaded design ensures maximum clamping force distribution. Engineers specify these metric socket screws for their reliable performance in vibration-prone environments, where the coarse thread pitch and precise Class 5g6g thread fit prevent loosening under dynamic loads. The combination of 170,000 PSI tensile strength and Rockwell C37 hardness makes these fasteners ideal for critical joints in manufacturing fixtures, robotics, and precision instrumentation.

Specification Summary & Compliance

Manufactured to exacting DIN 912/ISO 4762 standards with Class 5g6g thread fit tolerance for precision mating. Features M3 x 0.5mm coarse thread configuration with right-hand thread direction and 14mm fully threaded length. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The black-oxide alloy steel construction meets Class 12.9 strength classification requirements with verified 170,000 PSI tensile strength and Rockwell C37 hardness specifications.