S-91290A058 M18 x 130 mm DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with Class 12.9 strength rating and 170,000 psi tensile strength for reliable performance in high-stress assemblies.
• Superior corrosion resistance and reduced light reflection due to the black-oxide finish on alloy steel, extending service life in harsh environments.
• Precise torque application and high clamp force enabled by the 14mm hex socket drive and standard socket head profile, minimizing tool slippage.
• Optimized thread engagement and vibration resistance with M18x2.5mm coarse metric threads and Class 5g6g thread fit, ensuring secure fastening.
• Enhanced durability and wear resistance from Rockwell C37 hardness, maintaining structural integrity under repetitive loads.
• Versatile partial threading design allowing for combined clamping and alignment functions in complex machinery setups.
• Global regulatory compliance meeting RoHS 3 and REACH standards for safe, environmentally conscious industrial use.

Professional Applications & Engineering Value

Engineered for demanding industrial applications, this M18 socket head cap screw addresses critical challenges in heavy machinery, automotive systems, and precision equipment. The black-oxide alloy steel construction provides a protective layer that reduces corrosion and galling, essential in environments exposed to moisture or chemicals. With a Class 12.9 strength rating and 170,000 psi tensile strength, it withstands extreme dynamic and static loads, preventing joint failure in high-vibration settings. The coarse metric thread (M18x2.5mm) and partial threading enable quick assembly and precise positioning, while the 14mm hex drive ensures efficient installation with standard tools. Compliant with DIN 912/ISO 4762, it guarantees dimensional accuracy and interchangeability, making it a reliable choice for OEMs and maintenance teams seeking durability and performance.

Specification Summary & Compliance

This socket head cap screw adheres to DIN 912 (ISO 4762) specifications, ensuring precise dimensions including a head diameter of 27mm, head height of 18mm, and 130mm length with a minimum thread length of 48mm. Threads are manufactured to Class 5g6g fit for consistent engagement and tolerance. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming it is free of hazardous substances and suitable for global industrial markets.