S-4391N12 M20 DIN 934 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with Class 10 strength grade for reliable performance in high-stress industrial environments.
• Superior corrosion resistance due to zinc-plated steel construction, extending service life in harsh conditions.
• Precise thread engagement with Class 6H thread fit and extra fine 1.5 mm pitch, ensuring secure, vibration-resistant connections.
• Standard external hex drive design for easy installation and removal using common tools, improving assembly efficiency.
• Full compliance with DIN 934 standards, guaranteeing dimensional accuracy and interchangeability in metric applications.
• Environmental and safety adherence with RoHS 3 and REACH compliance, meeting strict regulatory requirements.
• Durable 30 mm width and 16 mm height profile providing a robust grip and stable fastening under heavy loads.

Professional Applications & Engineering Value

This M20 hex nut is engineered to address critical fastening challenges in demanding sectors such as machinery assembly, structural frameworks, and automotive components. The zinc-plated steel material offers a protective barrier against oxidation and chemical exposure, significantly reducing maintenance needs in corrosive environments. Its extra fine 1.5 mm pitch and Class 6H thread fit deliver superior clamping force and resistance to loosening under dynamic loads, making it ideal for applications where vibration and stress are prevalent. By adhering to DIN 934 standards, this nut ensures seamless compatibility with metric bolts, streamlining procurement and installation processes for engineers and maintenance teams seeking durable, high-strength fastening solutions.

Specification Summary & Compliance

This hex nut features M20 x 1.5 mm metric thread with Class 6H thread fit and right-hand direction, manufactured in accordance with DIN 934 specifications for dimensional consistency. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances. The fastener meets Class 10 strength grade requirements, confirming its suitability for heavy-duty applications where reliability and safety are paramount.