S-90128A274 M8 x 20 mm DIN 912, ISO 4762 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength (170,000 psi) for reliable performance in high-stress industrial applications
• Superior corrosion resistance through zinc-plated alloy steel construction, extending service life in harsh environments
• Precision Class 5g6g thread fit ensures smooth installation and secure fastening in demanding assemblies
• High hardness rating (Rockwell C37) provides excellent wear resistance and durability under repeated use
• Standard hex drive (6mm) allows for easy installation with common tools while preventing cam-out
• Full thread design enables maximum engagement and clamping force across the entire fastener length
• Comprehensive compliance with DIN 912/ISO 4762 standards guarantees dimensional accuracy and interchangeability

Professional Applications & Engineering Value

These Class 12.9 socket head cap screws deliver exceptional engineering value in demanding applications where failure is not an option. The zinc-plated alloy steel construction provides critical corrosion protection for machinery, automotive components, and industrial equipment exposed to challenging environments. The M8 x 1.25mm coarse thread configuration ensures rapid assembly while maintaining secure fastening, significantly reducing installation time in production settings. With their fully threaded design and hex socket drive, these fasteners solve common industrial challenges including space constraints, high vibration resistance requirements, and the need for reliable disassembly and reassembly during maintenance operations. The combination of high tensile strength and precise thread fit makes them ideal for critical joints in manufacturing equipment, automation systems, and heavy machinery where structural integrity is paramount.

Specification Summary & Compliance

This socket head cap screw features precise Class 5g6g thread fit tolerance per metric standards, ensuring consistent performance across applications. Manufacturing complies with DIN 912/ISO 4762 specifications for dimensional accuracy and mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for use in regulated industries and international markets. The 20mm length and M8 x 1.25mm thread pitch provide standardized dimensions for seamless integration into existing metric fastener systems.