S-91290A290 M5 x 120 mm DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 170,000 PSI ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
• Superior corrosion resistance from the Black-Oxide finish prolongs service life in harsh industrial environments, minimizing maintenance needs.
• High hardness rating (Rockwell C37) provides excellent wear resistance, maintaining thread integrity and drive engagement over repeated use.
• Precision Class 5g6g thread fit guarantees consistent, secure fastening with reduced vibration loosening in machinery and equipment.
• Partially threaded design with 22mm minimum thread length allows for optimal clamp load distribution and easier alignment in assemblies.
• 4mm hex drive and standard socket head profile enable easy installation with common tools, speeding up assembly processes.
• Compliance with DIN 912/ISO 4762, RoHS 3, and REACH ensures adherence to international quality and safety standards for global supply chain compatibility.

Professional Applications & Engineering Value

This M5 socket head cap screw is engineered for demanding industrial applications where strength, precision, and durability are critical. The Black-Oxide alloy steel construction offers enhanced corrosion resistance, making it ideal for environments exposed to moisture, chemicals, or outdoor elements. With a coarse thread pitch of 0.8mm and Class 12.9 strength rating, it provides superior clamping force and fatigue resistance in machinery, automotive assemblies, and heavy equipment. The partially threaded design allows for precise load-bearing control, reducing stress concentrations and improving joint reliability. Its metric hex socket drive ensures efficient installation in confined spaces, streamlining maintenance and production workflows while meeting rigorous DIN 912/ISO 4762 standards for consistent performance.

Specification Summary & Compliance

This screw features an M5 x 0.8mm coarse metric thread with a Class 5g6g thread fit for precise tolerance, ensuring secure fastening. It is manufactured in accordance with DIN 912/ISO 4762 specifications and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and regulated industrial markets.