S-90035A137 M3 x 18 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 160,000 PSI tensile and 120,000 PSI yield strength, ideal for high-stress applications.
• Superior corrosion resistance thanks to the A286 stainless steel material and passivated finish, ensuring long-lasting performance in harsh environments.
• Precise and reliable fastening with M3 x 0.5mm coarse threads and Class 6g fit, providing consistent engagement and reduced risk of cross-threading.
• Easy installation and removal using a standard 2.5mm hex key, offering a secure drive and minimizing tool slippage.
• High-temperature capability from the A286 alloy, maintaining mechanical properties in elevated temperature conditions.
• Full compliance with international standards including DIN 912 and ISO 4762, ensuring interchangeability and quality assurance.
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting strict regulatory requirements for industrial use.

Professional Applications & Engineering Value

This M3 socket head cap screw is engineered from A286 stainless steel to address critical challenges in demanding sectors such as aerospace, automotive, and heavy machinery. The passivated finish enhances corrosion resistance, making it suitable for environments exposed to moisture, chemicals, and varying temperatures. With a fully threaded design and Class 6g thread fit, it ensures precise alignment and secure fastening in assemblies where vibration and dynamic loads are common. The coarse thread pitch facilitates quicker installation and reduces the risk of stripping, while the high Rockwell C33 hardness and tensile strength prevent deformation under extreme pressures. Ideal for engine components, structural frames, and precision equipment, this screw delivers reliable performance, reduces maintenance downtime, and extends service life in critical applications.

Specification Summary & Compliance

This screw features an M3 x 0.5mm coarse metric thread with a Class 6g tolerance for precise fit, and is fully threaded with a right-hand direction. It complies with DIN 912 and ISO 4762 standards for dimensional accuracy, as well as SAE AMS5731 and SAE AMS5737 for material and performance specifications. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring adherence to environmental and safety regulations.