S-91306A743 M8 x 90 mm ISO 7380 Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• High tensile strength of 140,000 psi ensures reliable performance in demanding applications, reducing the risk of fastener failure
• Zinc-plated alloy steel construction provides superior corrosion resistance, extending service life in harsh industrial environments
• Class 10.9 strength grade delivers exceptional durability and load-bearing capacity for heavy-duty fastening requirements
• Fully threaded design offers maximum grip and uniform stress distribution along the entire 90mm length
• Hex drive with 5mm drive size enables easy installation and high torque application with standard tools
• Coarse thread pitch (1.25mm) facilitates quick assembly and disassembly while maintaining secure fastening
• Rockwell C32 hardness ensures excellent wear resistance and maintains thread integrity through multiple installations

Professional Applications & Engineering Value

These M8 rounded head screws with Class 10.9 strength rating are engineered to solve critical fastening challenges in industrial applications where vibration resistance and structural integrity are paramount. The zinc-plated alloy steel construction provides essential corrosion protection for machinery, equipment assembly, and structural frameworks exposed to demanding environments. The fully threaded metric design with coarse 1.25mm pitch ensures rapid installation in time-sensitive production scenarios while maintaining superior clamping force. The button head profile with hex drive compatibility offers both aesthetic appeal and practical tool engagement, making these fasteners ideal for automotive components, industrial machinery, and construction applications where reliability cannot be compromised.

Specification Summary & Compliance

This M8 x 1.25mm screw features Class 6g thread fit tolerance ensuring precise engagement with mating components. Manufactured to ISO 7380 standards for dimensional accuracy and performance consistency. The product is fully compliant with RoHS 3 (2015/863/EU) environmental directives and REACH (EC 1907/2006) regulations regarding substance restrictions, making it suitable for global industrial applications with strict regulatory requirements.