S-92832A572 M4 x 40 mm ISO 7380 Steel Button Head Torx Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, ensuring long-term durability in harsh industrial environments
• High torque transmission capability thanks to the T20 Torx drive design, reducing cam-out risk and tool wear during installation
• Exceptional mechanical strength with Class 8.8 rating and 110,000 psi tensile strength for reliable performance under heavy loads
• Precise thread engagement with M4 x 0.7mm coarse threading and Class 6h fit, providing secure fastening in various materials
• Streamlined installation process with fully threaded design and rounded button head profile, enabling flush mounting and reduced assembly time
• Enhanced hardness properties with Rockwell C22 rating, maintaining structural integrity through repeated use cycles
• Global compliance assurance meeting ISO 7380 standards and environmental regulations for international project specifications

Professional Applications & Engineering Value

These M4 Torx button head screws deliver critical engineering solutions where high tensile strength and reliable fastening are paramount. The zinc-plated steel construction provides essential corrosion protection for machinery, automotive assemblies, and outdoor equipment exposed to moisture and chemicals. The T20 Torx drive system eliminates common installation issues like screw head stripping, particularly valuable in high-vibration environments where fastener integrity is crucial. With fully threaded metric design and Class 8.8 strength rating, these screws maintain clamping force in structural applications while the rounded button head profile offers a clean, low-profile finish that prevents snagging in moving parts. This combination of features makes them ideal for precision manufacturing, industrial equipment maintenance, and automated assembly lines requiring consistent, reliable fastening performance.

Specification Summary & Compliance

This fastener maintains precision metric dimensions with M4 thread diameter, 0.7mm pitch, and 40mm length. Thread quality meets Class 6h tolerance standards for consistent engagement. Manufacturing follows ISO 7380 specifications for rounded head screws with Torx drive compatibility. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets. Material certification confirms Class 8.8 strength classification with verified mechanical properties including 110,000 psi tensile strength and Rockwell C22 hardness.