S-90909A119 M4 x 25 mm ISO 7380 Stainless Steel Flanged Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction and passivated surface treatment.
• Enhanced clamping force and stability with the integrated flange, eliminating the need for a separate washer.
• High-strength performance with a tensile strength of 70,000 psi, ensuring reliable fastening in demanding applications.
• Quick and secure installation facilitated by the 2.5 mm hex drive and button head design, allowing for high torque application.
• Wide compatibility and precise fit with Class 6g thread tolerance and M4 x 0.7 mm coarse right-hand threading per ISO 7380 standards.
• Durable, fully threaded design for maximum grip length and holding power across the entire 25 mm shank.
• Compliance with stringent environmental regulations including RoHS 3 and REACH, ensuring safety and sustainability.

Professional Applications & Engineering Value

This 316 stainless steel flanged hex button head screw is engineered to solve critical challenges in corrosive and high-stress environments. Its passivated finish significantly enhances resistance to chemicals, saltwater, and industrial pollutants, making it ideal for marine equipment, chemical processing plants, and outdoor machinery. The flanged design provides a larger bearing surface, distributing load evenly and preventing surface damage, which is crucial for assembled components in automotive, electronics, and structural applications. The combination of Class 6g thread fit and coarse metric threading (M4 x 0.7 mm) ensures rapid assembly and vibration resistance, reducing maintenance downtime. Fully compliant with ISO 7380, this screw delivers consistent quality and reliability, supporting efficient production lines and long-term operational integrity.

Specification Summary & Compliance

This product features precise M4 x 0.7 mm coarse threading with a Class 6g tolerance and a 25 mm fully threaded length. It is manufactured in accordance with the ISO 7380 standard for dimensional accuracy and performance. The screw is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring it is free from hazardous substances and suitable for global industrial use.