S-95327A820 M20 x 100 mm ISO 4014, DIN 931 High-Strength Metric Class 10.9 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Maximum load-bearing capacity with Class 10.9 strength rating and 150,000 psi tensile strength for critical structural applications
• Superior corrosion resistance through zinc yellow-chromate plating that protects against harsh industrial environments
• Exceptional durability maintained by Rockwell C32 hardness, ensuring long service life under heavy loads
• Reliable thread engagement with Class 6h thread fit and coarse 2.5mm pitch for secure fastening in various materials
• Easy installation and removal using standard tools thanks to the external hex drive and 30mm head width
• Optimized weight distribution through partially threaded design that reduces material usage without compromising strength
• Global compatibility with ISO 4014/DIN 931 specifications, ensuring interchangeability across international projects

Professional Applications & Engineering Value

This M20 hex head screw delivers exceptional engineering value for heavy-duty industrial applications where failure is not an option. The Class 10.9 steel construction provides the necessary structural integrity for construction, machinery assembly, and infrastructure projects requiring high tensile strength up to 150,000 psi. The zinc yellow-chromate plating offers superior protection against corrosion in outdoor or chemically aggressive environments, significantly extending service life. With its metric coarse thread (2.5mm pitch) and partial threading, this fastener provides optimal clamping force distribution while reducing installation time. The external hex drive design ensures compatibility with standard tools, making it ideal for maintenance and assembly operations across various industrial sectors.

Specification Summary & Compliance

Manufactured to precise ISO 4014/DIN 931 specifications, this hex head screw features Class 6h thread fit tolerance for consistent performance. The metric coarse threading (M20x2.5) with right-hand direction and 46mm minimum thread length ensures reliable engagement. With 100mm total length and 30mm head width, this fastener maintains dimensional accuracy for seamless integration into existing systems. Compliant with international standards for industrial fasteners, this product meets relevant industry requirements for quality and performance in demanding applications.