S-90035A121 M5 x 20 mm DIN 912, ISO 4762, SAE AMS5731, SAE AMS5737 High-Strength A286 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional strength and durability with A286 stainless steel construction, providing 160,000 psi tensile strength and Rockwell C33 hardness for reliable performance in high-stress applications.
• Superior corrosion resistance due to the passivated finish, extending service life in harsh industrial and aerospace environments.
• Precise and secure fastening with Class 6g thread fit and M5 x 0.8mm coarse thread, ensuring easy installation and vibration resistance.
• Wide compatibility and standardization meeting DIN 912, ISO 4762, SAE AMS5731, and SAE AMS5737 specifications for consistent quality and interchangeability.
• Efficient installation and removal using a standard 4 mm hex drive, allowing for high torque application in confined spaces.
• Full thread engagement along the 20 mm length, providing maximum grip and load distribution in assembled components.
• Environmental and regulatory compliance with RoHS 3 and REACH, ensuring safe use in global markets and sensitive applications.

Professional Applications & Engineering Value

This M5 socket head cap screw is engineered with A286 stainless steel and a passivated finish to address critical challenges in aerospace and industrial applications. The material's high tensile strength (160,000 psi) and yield strength (120,000 psi) prevent failure under extreme loads and vibrations, while the corrosion-resistant coating mitigates degradation in aggressive environments. The Class 6g thread fit and coarse thread pitch (0.8mm) facilitate quick assembly and reduce the risk of cross-threading, enhancing productivity. Fully threaded design ensures uniform stress distribution, making it ideal for securing components in engines, machinery, and structural frames where reliability is paramount.

Specification Summary & Compliance

This screw features precise metric dimensions including M5 thread size, 0.8mm pitch, and 20mm length, with Class 6g thread fit per ISO standards for accurate engagement. It complies with DIN 912 and ISO 4762 specifications, as well as SAE AMS5731 and SAE AMS5737 for aerospace quality. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to environmental and safety regulations for global use.