S-91280A174 M8 x 95 mm ISO 4014, DIN 931 Medium-Strength Metric Class 8.8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 110,000 psi ensures reliable performance under high-stress conditions, reducing the risk of fastener failure in demanding applications.
• Superior corrosion resistance with zinc plating extends service life and maintains integrity in harsh or outdoor environments, lowering maintenance costs.
• High-strength Class 8.8 steel construction provides excellent durability and load-bearing capacity, ideal for heavy-duty industrial assemblies.
• Precise Class 6h thread fit and coarse M8 x 1.25 mm threading enable quick, secure installation with reduced cross-threading risks, saving time during assembly.
• Partially threaded design allows for controlled clamping force and improved joint stability, minimizing loosening from vibrations.
• External hex drive and hex head facilitate easy tightening with standard tools, enhancing installation efficiency in confined spaces.
• Compliance with ISO 4014, RoHS 3, and REACH ensures consistent quality, safety, and environmental responsibility for global supply chains.

Professional Applications & Engineering Value

Engineered for robust performance, this M8 hex head screw addresses critical industrial challenges such as vibration-induced loosening and environmental degradation. The Class 8.8 steel core, combined with a zinc-plated finish, offers superior resistance to corrosion and wear, making it ideal for machinery, structural frameworks, and automotive components. Its coarse thread (M8 x 1.25 mm) and partial threading ensure rapid assembly and secure fastening in high-vibration settings, while the external hex drive allows for efficient torque application. By meeting ISO 4014 standards, it guarantees dimensional accuracy and reliability, reducing downtime and enhancing operational safety in sectors like manufacturing and construction.

Specification Summary & Compliance

This fastener features precise Class 6h thread fit and ISO 4014 dimensional tolerances for consistent performance. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances. Manufactured to Class 8.8 strength grade with a tensile strength of 110,000 psi and Rockwell C21 hardness, it adheres to international standards for reliability and safety in industrial use.