S-91290A142 M5 x 140 mm DIN 912 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional strength and durability with Class 12.9 rating and 170,000 psi tensile strength for reliable performance in demanding applications.
• Superior corrosion resistance provided by the black-oxide coating, extending service life in harsh industrial environments.
• Precise and secure installation enabled by the 4 mm hex drive and standard socket head profile, ensuring tight fastening without stripping.
• Optimized thread design with M5 coarse thread (0.8 mm pitch) and Class 5g6g fit for easy alignment and reduced cross-threading risks.
• Versatile partial threading (22 mm min thread length on 140 mm shaft) allows for adjustable clamping and secure joint connections.
• High hardness rating of Rockwell C37 minimizes wear and deformation under heavy loads, maintaining fastener integrity.
• Compliance with international standards including DIN 912, RoHS 3, and REACH, ensuring quality and environmental safety for global projects.

Professional Applications & Engineering Value

This M5 socket head cap screw is engineered to address critical challenges in heavy-duty industrial settings, where high tensile strength and reliability are paramount. Made from black-oxide alloy steel, it offers enhanced corrosion resistance, reducing maintenance needs in machinery, automotive assemblies, and precision equipment. The metric coarse thread and partially threaded design facilitate quick installation and secure clamping in dynamic environments, minimizing vibration-induced loosening. With a Class 12.9 strength rating and DIN 912 compliance, it ensures consistent performance in high-stress applications, providing engineers with a dependable fastener solution that meets rigorous operational demands while adhering to global environmental standards like RoHS and REACH.

Specification Summary & Compliance

This screw features precise metric threading with M5x0.8 mm coarse pitch and Class 5g6g thread fit for accurate engagement. It complies with DIN 912 standards for dimensional consistency and is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability in industrial use.