S-94559A701 M3 x 5 mm Aluminum Oversized-Flange Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance and lightweight performance from 6061 Aluminum construction, ideal for weight-sensitive applications without sacrificing durability.
• Enhanced load distribution and secure fastening with the integrated 12.8mm flange, eliminating the need for separate washers and reducing assembly time.
• High-strength reliability under stress with 40,000 psi tensile strength and Rockwell B40 hardness, ensuring long-term performance in demanding environments.
• Precise, secure installation using the 2mm hex drive, providing excellent torque transfer and reducing the risk of stripping during assembly.
• Consistent threading accuracy with Class 6g coarse thread (M3 x 0.5mm pitch), enabling quick assembly and reliable engagement in various materials.
• Streamlined, low-profile design with a rounded button head, minimizing protrusion and improving aesthetics in finished products.
• Compliance with global environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industries and international markets.

Professional Applications & Engineering Value

This M3 flanged button head screw delivers exceptional engineering value in applications where weight reduction, corrosion resistance, and reliable fastening are critical. The 6061 Aluminum construction provides an optimal strength-to-weight ratio, making it ideal for electronics enclosures, automotive components, and aerospace assemblies. The integrated flange distributes clamping force evenly, preventing surface damage and reducing vibration loosening—a common challenge in dynamic environments. With its Class 6g coarse thread and fully threaded design, it ensures rapid installation and secure holding power in plastics, soft metals, and composite materials. The 2mm hex drive offers superior torque transmission, minimizing tool slippage and enhancing assembly efficiency for high-volume production lines.

Specification Summary & Compliance

This screw features M3 x 0.5mm coarse thread with Class 6g tolerance for precise fit, a flange diameter of 12.8mm, and overall length of 5mm. It is manufactured from 6061 Aluminum with Rockwell B40 hardness and 40,000 psi tensile strength. The product is fully compliant with RoHS 3 (2015/863/EU) under exemption 6(b)-II and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for industrial use.