S-93737A117 M20 DIN 439B, ISO 4035 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with zinc yellow-chromate plated steel construction, ensuring long-term durability in harsh environments.
• Superior thread engagement and precision fit with Class 6H thread tolerance, minimizing the risk of cross-threading and loosening.
• Reliable mechanical strength meeting Class 04 standards, providing consistent performance under moderate stress conditions.
• Space-saving thin profile design (10mm height), ideal for applications with limited clearance without compromising functionality.
• Enhanced vibration resistance due to the extra fine M20x1.5mm thread, maintaining secure fastening in dynamic operations.
• Broad compatibility and standardization compliant with DIN 439B and ISO 4035, ensuring interchangeability and ease of sourcing.
• Easy installation and removal with external hex drive, allowing for efficient assembly using standard tools.

Professional Applications & Engineering Value

This M20 extra fine thread hex nut is engineered to address critical challenges in precision assemblies where fine adjustments and reliable clamping force are essential. The zinc yellow-chromate plated steel material offers robust protection against oxidation and chemical exposure, making it suitable for automotive, machinery, and electrical enclosures operating in humid or corrosive settings. Its thin hex nut profile and Class 6H thread fit ensure accurate alignment and reduced weight, while the extra fine thread pitch enhances load distribution, preventing joint failure in high-vibration environments. By adhering to DIN 439B and ISO 4035 standards, it guarantees consistent quality and simplifies integration into global supply chains, delivering long-term reliability for B2B industrial applications.

Specification Summary & Compliance

This hex nut features precise dimensions: 30mm width and 10mm height, with a metric M20x1.5mm extra fine thread and right-hand thread direction. It conforms to Class 6H thread fit for accurate tolerance and Class 04 strength grade for dependable performance. Manufactured in compliance with DIN 439B and ISO 4035 specifications, it ensures adherence to international engineering standards. The product meets common industry requirements for quality and safety, though specific certifications like RoHS or REACH should be verified per batch for environmental compliance.