S-91352A155 M8 x 25 mm ISO 7380 Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Exceptional durability and corrosion resistance with blue-dyed zinc-plated alloy steel construction, ideal for harsh industrial environments
• High tensile strength of 140,000 psi ensures reliable performance under heavy loads and vibration, reducing failure risks
• Class 10.9 strength grade and Rockwell C32 hardness provide superior mechanical integrity for demanding applications
• Easy installation and removal with 5 mm hex drive design, minimizing tool slippage and assembly time
• Precise M8 x 1.25 mm coarse threading with Class 6g fit offers secure fastening and compatibility with standard metric components
• Fully threaded 25 mm length maximizes grip and load distribution across the entire fastener
• Rounded button head profile reduces snagging and provides a smooth, finished appearance

Professional Applications & Engineering Value

This M8 rounded head screw is engineered to address critical industrial challenges, such as vibration loosening and environmental corrosion. The blue-dyed zinc-plated alloy steel offers enhanced surface protection, extending service life in machinery, automotive assemblies, and outdoor equipment. With a coarse thread pitch of 1.25 mm and Class 6g thread fit, it ensures quick, secure engagement in metals and plastics, reducing installation errors. The hex drive style allows for high-torque application, making it suitable for automated production lines and maintenance operations where reliability and speed are paramount.

Specification Summary & Compliance

This screw features M8 x 1.25 mm coarse threading with Class 6g tolerance and is fully threaded for consistent performance. It complies with ISO 7380 for dimensional accuracy and mechanical properties. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are adhered to in industrial supply chains.