S-91290A106 M2.5 x 16 mm DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional Strength & Durability: With a tensile strength of 170,000 psi and Rockwell C37 hardness, this screw withstands high-stress applications without failure, ensuring long-term reliability.
• Superior Corrosion Resistance: The black-oxide finish on alloy steel provides enhanced protection against rust and wear, extending service life in harsh industrial environments.
• Precise Thread Fit for Secure Fastening: Class 5g6g thread fit ensures tight, accurate engagement with mating components, reducing the risk of loosening under vibration.
• High-Torque Capability with Hex Drive: The 2 mm hex socket drive allows for easy installation and removal with standard tools, minimizing stripping and enabling efficient assembly.
• Full Thread Engagement for Maximum Hold: Fully threaded design distributes load evenly along the entire length, providing superior clamping force in demanding applications.
• Compliance with International Standards: Meets DIN 912 and ISO 4762 specifications, guaranteeing dimensional accuracy and interoperability in global engineering projects.
• Environmental & Regulatory Safety: RoHS 3 and REACH compliant, ensuring safe use in regulated industries without hazardous substances.

Professional Applications & Engineering Value

This Class 12.9 black-oxide alloy steel socket head cap screw is engineered to address critical challenges in precision machinery, automotive assemblies, and heavy-duty equipment. The M2.5 x 0.45 mm coarse thread with Class 5g6g fit ensures rapid installation and reliable performance in high-vibration environments, reducing maintenance downtime. The fully threaded rod and 2 mm hex drive facilitate secure fastening in confined spaces, while the black-oxide surface treatment enhances corrosion resistance, making it ideal for outdoor or chemically exposed settings. By combining high tensile strength with strict adherence to DIN 912/ISO 4762 standards, this screw delivers consistent performance in applications demanding precision, durability, and compliance.

Specification Summary & Compliance

This product features precise Metric M2.5 x 0.45 mm coarse threads with a Class 5g6g thread fit, ensuring accurate engagement and ease of assembly. Dimensions include a 16 mm length, 4.5 mm head diameter, and 2.5 mm head height, manufactured to DIN 912 (identical to ISO 4762) specifications for reliability. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its safety and environmental standards for industrial use.