S-96660A222 M4 x 25 mm ISO 7380-2 Steel Flanged Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Exceptional durability with Class 10.9 strength grade and 100,000 psi tensile strength, ideal for high-stress industrial environments.
• Corrosion-resistant zinc-plated alloy steel ensures long-lasting performance in harsh conditions, reducing maintenance needs.
• Secure and stable fastening provided by the wide flange design and partial threading, minimizing loosening under vibration.
• Easy installation and removal with the 2.5 mm hex drive, allowing for efficient assembly with standard tools.
• Reliable metric coarse threading (M4 x 0.7 mm) ensures quick engagement and strong hold in various materials.
• Consistent quality and precision with Class 6h thread fit and rounded button head, reducing the risk of stripping and improving aesthetics.
• Compliance with international standards including ISO 7380-2, RoHS 3, and REACH, ensuring safe and sustainable use in global markets.

Professional Applications & Engineering Value

This M4 rounded head screw is engineered to address common industrial challenges such as vibration-induced loosening and corrosion in demanding applications. Made from zinc-plated alloy steel, it offers superior protection against rust and wear, making it ideal for machinery, automotive assemblies, and structural frameworks where reliability is critical. The partial threading and flanged design enhance grip and distribute load evenly, reducing stress concentrations and preventing joint failure. With a Class 10.9 strength rating and Rockwell C32 hardness, it withstands heavy loads and repetitive use, ensuring long-term performance in construction, manufacturing, and equipment maintenance. The metric coarse thread and 2.5 mm hex drive facilitate quick, tool-friendly installation, saving time and labor costs in high-volume production settings.

Specification Summary & Compliance

This screw features precise Class 6h thread fit and ISO 7380-2 specifications, ensuring dimensional accuracy and interchangeability. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and suitable for environmentally conscious industries. The manufacturing adheres to strict standards for metric coarse threading (M4 x 0.7 mm) and partial threading, providing reliable fastening in accordance with global engineering requirements.