S-90591A161 M8 DIN 934 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with Class 8 strength rating for reliable performance in demanding industrial applications
• Superior corrosion resistance through zinc-plated steel construction, extending service life in harsh environments
• Optimized installation efficiency with standard 13mm hex profile providing excellent wrench grip and torque transmission
• Secure fastening performance with Class 6H thread fit ensuring precise engagement and vibration resistance
• Enhanced assembly reliability through DIN 934 compliance, guaranteeing dimensional accuracy and interchangeability
• Reduced cross-threading risk with coarse 1.25mm pitch threads enabling quicker installation and alignment
• Environmental compliance assurance meeting RoHS 3 and REACH regulations for safe usage across global markets

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, these M8 hex nuts deliver critical performance advantages in machinery assembly, structural frameworks, and equipment manufacturing. The zinc-plated steel construction provides essential corrosion protection where environmental factors threaten fastener integrity, while the coarse thread pitch (1.25mm) significantly reduces installation time and prevents cross-threading errors during high-volume production. The external hex drive style ensures maximum torque application without stripping, and the Class 8 strength rating guarantees these fasteners maintain clamp load under extreme vibration and dynamic loads. Compliant with DIN 934 standards, these metric hex nuts offer reliable dimensional consistency for replacement and new construction projects across European and international markets.

Specification Summary & Compliance

This M8 x 1.25 mm hex nut features precise Class 6H thread fit tolerances per ISO metric standards, ensuring compatibility with corresponding Class 6g bolts. Manufacturing strictly adheres to DIN 934 specifications with dimensional accuracy of 13mm width across flats and 6.5mm height. The product demonstrates full compliance with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations regarding chemical safety, validated through the June 2022 SVHC assessment. The Class 8 strength classification confirms mechanical properties suitable for high-stress applications requiring reliable fastening solutions.