S-91290A632 M12 x 65 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 coating extends service life in harsh industrial environments, minimizing maintenance needs.
• High hardness rating of Rockwell C37 provides excellent wear resistance and durability under repetitive loads.
• Precise hex socket drive allows for secure tool engagement and high torque application, preventing stripping and ensuring easy installation.
• Coarse thread design with Class 5g6g fit offers quick assembly and reliable holding power in various materials.
• Partially threaded shank provides optimal grip and clamping force where needed, enhancing joint stability.
• Compliance with DIN 912/ISO 4762 standards guarantees dimensional accuracy and interchangeability with existing metric systems.

Professional Applications & Engineering Value

These M12 socket head cap screws are engineered for demanding industrial applications where reliability is critical. The black-oxide alloy steel construction combats rust and corrosion in environments exposed to moisture, chemicals, or outdoor elements, addressing common failure points in machinery and structural assemblies. With a Class 12.9 strength rating and coarse metric thread, they provide superior clamping force and vibration resistance in heavy-duty equipment, automotive systems, and construction frameworks. The partially threaded design concentrates stress appropriately, reducing the risk of thread damage during repeated disassembly. Ideal for use in manufacturing fixtures, conveyor systems, and high-load bolting, these screws deliver consistent performance under extreme conditions, ensuring long-term operational safety and reduced downtime.

Specification Summary & Compliance

This screw features M12 x 1.75mm coarse threads with a Class 5g6g thread fit per ISO standards, ensuring precise engagement and dimensional consistency. Manufactured to meet DIN 912 / ISO 4762 specifications for socket head cap screws, it guarantees reliable performance in metric-based assemblies. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in regulated industrial and international markets without hazardous substances.