S-91290A253 M12 x 240 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 under extreme loads and vibrations, reducing the risk of fastener failure in critical applications.
• Superior corrosion resistance from the black-oxide finish on alloy steel, providing enhanced durability and longevity in harsh industrial environments.
• High hardness rating (Rockwell C37) offers excellent wear resistance, maintaining thread integrity and drive features through repeated use.
• Precise hex socket drive (10mm) allows for high torque application and secure fastening in confined spaces, minimizing stripping and improving installation efficiency.
• Coarse thread design (1.75mm pitch) facilitates quicker assembly and better grip in a variety of materials, reducing installation time and labor costs.
• Partially threaded shank provides unthreaded bearing surface for accurate clamping and alignment, preventing joint loosening in dynamic applications.
• Compliance with international standards including DIN 912/ISO 4762 ensures dimensional consistency and interchangeability with global equipment specifications.

Professional Applications & Engineering Value

This M12 socket head cap screw delivers critical engineering solutions for heavy-duty machinery, automotive assemblies, and precision equipment where high tensile strength and vibration resistance are paramount. The black-oxide alloy steel construction combats rust and corrosion in demanding environments like manufacturing plants and outdoor installations, while the Class 12.9 strength rating ensures dependable performance under sustained stress. Its coarse metric thread with a 1.75mm pitch enables rapid installation in steel frameworks and cast components, reducing assembly time without compromising joint security. The hex drive design accommodates standard tools for consistent torque application, making it ideal for maintenance and production lines where reliability and compliance with DIN 912/ISO 4762 standards are essential for operational safety and efficiency.

Specification Summary & Compliance

This screw features M12 x 1.75mm coarse threads with a Class 5g6g thread fit ensuring precise engagement and dimensional accuracy per metric standards. It is manufactured to meet DIN 912 ISO 4762 specifications for socket head cap screws, guaranteeing consistent quality and performance. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to environmental and safety regulations for use in various industrial sectors.