S-91423A360 M39 DIN 934 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with Class 8 steel construction, ensuring reliable performance in high-stress industrial environments.
• Precise fine threading with a 3mm pitch and Class 6H fit, providing superior vibration resistance and secure fastening.
• Wide 60mm hex profile for easy installation and removal using standard tools, reducing assembly time and labor costs.
• Full compliance with DIN 934 standards, guaranteeing dimensional accuracy and interchangeability in metric applications.
• Durable external hex drive design that withstands repeated torque applications without stripping or deformation.
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting strict international regulatory requirements.
• Robust 31mm height for enhanced thread engagement and improved mechanical strength in heavy-duty assemblies.

Professional Applications & Engineering Value

This M39 hex nut is engineered to address critical challenges in heavy machinery, structural steelwork, and industrial equipment assembly. The Class 8 steel material provides excellent tensile strength and fatigue resistance, preventing failure under dynamic loads and extreme conditions. Its fine 3mm pitch metric threads and Class 6H thread fit ensure minimal backlash and superior clamp load retention, effectively combating loosening from vibrations—a common issue in conveyor systems, presses, and automotive jigs. The standardized DIN 934 dimensions and external hex drive facilitate quick maintenance and part replacement, reducing downtime in production environments. With REACH and RoHS 3 compliance, it is suitable for regulated industries, offering both mechanical reliability and environmental safety.

Specification Summary & Compliance

This hex nut features a M39 x 3mm thread with Class 6H tolerance as per ISO metric standards, ensuring precise thread engagement. It conforms to DIN 934 for dimensional consistency, including a 60mm width and 31mm height. The nut is manufactured from Class 8 steel for high strength and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, affirming its adherence to environmental and safety regulations without hazardous substances.