S-91290A628 M12 x 55 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 extends service life in harsh industrial environments, minimizing maintenance needs.
• High hardness rating (Rockwell C37) provides excellent wear resistance, maintaining dimensional stability under repeated use.
• Precision Class 5g6g thread fit guarantees smooth assembly and secure fastening, reducing installation time and improving joint integrity.
• Partially threaded design with 36mm minimum thread length allows for optimal grip and clamping force in varied material thicknesses.
• Standard hex drive (10mm) enables easy installation with common tools, enhancing workflow efficiency and reducing tooling costs.
• Compliance with DIN 912/ISO 4762, RoHS 3, and REACH ensures adherence to international quality and environmental standards, supporting global supply chain requirements.

Professional Applications & Engineering Value

This M12 socket head cap screw is engineered to address critical challenges in heavy-duty machinery, automotive assemblies, and precision equipment. The black-oxide alloy steel construction combats rust and oxidation, ideal for environments exposed to moisture or chemicals. With a coarse thread pitch of 1.75mm and Class 12.9 strength, it delivers robust clamping force and vibration resistance, preventing loosening in dynamic loads. The partially threaded metric design concentrates stress on engaged sections, enhancing fatigue life. Suitable for industrial fasteners in construction, manufacturing, and aerospace, it ensures durability and compliance with DIN 912/ISO 4762 specifications, streamlining procurement for B2B buyers.

Specification Summary & Compliance

This product features a metric thread size M12 x 1.75mm with Class 5g6g thread fit for precise tolerance. It adheres to DIN 912 ISO 4762 standards, ensuring dimensional accuracy and interchangeability. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) for environmental safety, with no SVHC above threshold levels as of 01/17/2023. The partially threaded rod type and 55mm length provide consistent performance in regulated industrial applications.