S-90854A157 M8 x 120 mm ISO 4014, DIN 931 High-Strength Metric Class 10.9 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with 150,000 psi tensile strength for reliable performance in demanding applications
• Superior corrosion resistance provided by zinc yellow-chromate plating, extending service life in harsh environments
• Precise Class 6h thread fit ensures smooth installation and secure fastening in industrial assemblies
• Optimized partial threading design allows for controlled clamping force distribution across connected components
• High-strength Class 10.9 rating guarantees consistent performance under heavy mechanical stress and vibration
• External hex drive design enables quick installation and removal with standard tools, reducing assembly time
• Rockwell C32 hardness maintains thread integrity and prevents stripping during repeated use

Professional Applications & Engineering Value

This M8 hex head screw delivers exceptional engineering value through its Class 10.9 steel construction and zinc yellow-chromate plating, specifically designed to address common industrial challenges. The partially threaded configuration provides optimal stress distribution while preventing thread damage in blind holes. The coarse metric thread with 1.25 mm pitch ensures rapid assembly in structural steelwork, machinery manufacturing, and heavy equipment applications where vibration resistance is critical. With 150,000 psi tensile strength and maintained dimensional accuracy, this fastener solves reliability concerns in high-stress environments while the corrosion-resistant finish protects against industrial atmospheric conditions, reducing maintenance frequency and downtime.

Specification Summary & Compliance

This metric hex head screw features precise Class 6h thread tolerance and M8 x 1.25 mm coarse thread specification with 22 mm minimum thread length. Manufactured to ISO 4014/DIN 931 standards with Class 10.9 strength rating, the fastener ensures dimensional consistency and mechanical performance compliance. The product meets international industrial specifications for steel fasteners and complies with RoHS and REACH environmental directives for industrial components.