S-91223A411 M3 x 5 mm 316 Stainless Steel Ultra-Low-Profile Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments due to 316 Stainless Steel construction, ideal for chemical, marine, and outdoor applications.
• Space-saving ultra-low profile head allows for installation in tight or recessed spaces where clearance is limited.
• High mechanical strength and durability with a tensile strength of 70,000 PSI and Rockwell B70 hardness for reliable, long-lasting performance under load.
• Precise and secure fastening ensured by the Class 6g thread fit, providing consistent engagement and reducing the risk of loosening.
• Easy installation with standard tools using the 2 mm hex drive, offering a secure grip and minimizing stripping or cam-out.
• Fully threaded design for maximum grip and adjustability along the entire 5 mm length, suitable for a wide range of material thicknesses.
• Compliance with environmental and safety standards including RoHS 3 and REACH, ensuring suitability for regulated industrial and electronic assemblies.

Professional Applications & Engineering Value

This M3 x 0.5mm metric socket head cap screw is engineered to address critical challenges in precision assembly and compact design. The ultra-low profile head minimizes protrusion, making it ideal for applications in consumer electronics, medical devices, and machinery where space constraints are paramount. Constructed from 316 Stainless Steel, it offers exceptional resistance to corrosion from chemicals, saltwater, and extreme temperatures, ensuring reliability in demanding environments like marine equipment or chemical processing plants. The Class 6g thread fit and coarse pitch provide robust, vibration-resistant connections, reducing maintenance needs and enhancing the longevity of assemblies. Coupled with a 2 mm hex drive for efficient torque application, this screw delivers consistent performance in automated or manual fastening processes, supporting industries that prioritize precision, durability, and regulatory compliance.

Specification Summary & Compliance

This screw adheres to metric thread standards with an M3 size, 0.5 mm coarse pitch, and Class 6g thread fit for precise dimensional accuracy. It features a head diameter of 5.5 mm with a tolerance of -0.127 mm to 0.127 mm and a fully threaded 5 mm length. The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial and electronic applications.