S-91239A117 M3 x 12 mm ISO 7380 Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior tensile strength of 140,000 psi ensures reliable performance under high-stress conditions, reducing the risk of fastener failure in demanding applications.
• Exceptional corrosion resistance from the black-oxide finish on alloy steel, extending service life and maintaining integrity in harsh environments.
• Precise Class 6g thread fit with coarse spacing (M3 x 0.5 mm) allows for quick, secure installation and consistent clamping force.
• High hardness (Rockwell C32) and Class 10.9 strength grade provide excellent wear resistance and durability for repetitive use.
• Fully threaded design ensures maximum grip along the entire 12 mm length, offering versatile fastening in various material thicknesses.
• Hex drive (2 mm) and rounded button head enable easy, tool-friendly installation with a low-profile, aesthetically clean finish.
• Compliance with ISO 7380, RoHS 3, and REACH guarantees adherence to international quality and environmental standards, supporting global supply chain requirements.

Professional Applications & Engineering Value

Engineered for industrial fastening where reliability is critical, these M3 metric screws with black-oxide alloy steel construction address common challenges like vibration loosening and environmental degradation. The coarse thread spacing and Class 6g fit facilitate rapid assembly in metals and plastics, minimizing installation errors. With a rounded head and hex drive, they offer a flush mounting solution that reduces snagging in machinery, automotive, and electronics enclosures. The fully threaded design ensures uniform stress distribution, enhancing joint integrity in dynamic loads. Ideal for applications requiring high-strength and corrosion resistance, these screws deliver long-term performance while meeting strict ISO 7380 specifications for consistent quality.

Specification Summary & Compliance

This M3 x 0.5 mm x 12 mm screw features a Class 6g thread fit with coarse spacing, manufactured to ISO 7380 standards for dimensional accuracy. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety. The Class 10.9 strength grade and Rockwell C32 hardness confirm high mechanical performance, backed by a tensile strength of 140,000 psi for reliable fastening in industrial settings.