S-92137A325 M4 x 30 mm ISO 7380-2 Steel Flanged Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Exceptional durability with Class 10.9 high-strength alloy steel, ensuring reliable performance under heavy loads and vibrations
• Superior corrosion resistance from the black-oxide coating, extending service life in harsh industrial environments
• High tensile strength of 100,000 psi and Rockwell C32 hardness for secure, long-lasting fastening in demanding applications
• Easy installation and removal with the 2.5mm hex drive, providing a secure grip and reducing tool slippage
• Enhanced load distribution thanks to the wide flange design with a 9.4mm diameter, minimizing surface damage
• Precise thread engagement with Class 6g coarse threads, ensuring quick assembly and reduced cross-threading risks
• Full threading along the 30mm length for maximum grip and versatility in various material thicknesses

Professional Applications & Engineering Value

This M4 rounded head screw is engineered to address common industrial challenges, such as vibration loosening and corrosion in machinery assemblies. The black-oxide alloy steel construction provides a robust barrier against moisture and chemicals, ideal for automotive, electronics, and heavy equipment sectors where environmental factors degrade fastener integrity. Its Class 10.9 strength grade and fully threaded metric design ensure consistent clamping force, reducing maintenance needs in high-stress joints. The hex drive and flanged button head simplify installation in tight spaces, while the coarse thread pitch enables rapid assembly on production lines, boosting efficiency without compromising on ISO 7380-2 compliance for reliable, standardized performance.

Specification Summary & Compliance

This screw adheres to precise dimensional standards, including a Class 6g thread fit for metric coarse threads (M4 x 0.7mm) and a 30mm length with full threading. Manufactured in accordance with ISO 7380-2 specifications, it ensures consistent quality and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in various industrial applications without hazardous substances.