S-95479A516 M20 DIN 934 Hex Nuts
Hex Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance with black-oxide steel construction, extending service life in harsh industrial environments
- Precise Class 6H thread fit ensures reliable engagement and vibration resistance in demanding applications
- Heavy-duty M20 coarse threading provides faster assembly and superior performance under high stress conditions
- Standard external hex drive design delivers secure installation and optimal torque transmission with common tools
- Full DIN 934 compliance guarantees dimensional accuracy and interchangeability with international metric standards
- Environmental regulation compliance with RoHS 3 and REACH certifications for global supply chain integration
- Robust 30mm width and 16mm height profile offers excellent bearing surface and mechanical stability
Professional Applications & Engineering Value
This black-oxide steel hex nut delivers exceptional engineering value through its M20 coarse thread configuration and Class 6H thread fit, specifically designed to address common industrial challenges. The DIN 934 standard ensures perfect compatibility with metric bolt systems while the external hex drive facilitates quick installation in confined spaces. The black-oxide surface treatment provides essential corrosion protection for machinery, structural frameworks, and automotive assemblies exposed to demanding conditions. Engineered for heavy-duty applications, this fastener maintains structural integrity under vibration and dynamic loads, making it ideal for construction equipment, industrial machinery, and transportation systems where reliability is paramount.
Specification Summary & Compliance
This metric hex nut features M20 x 2.5 mm coarse threading with Class 6H thread fit per ISO standards, ensuring precise dimensional accuracy. Manufactured to DIN 934 specifications with standard hex nut profile measuring 30mm width and 16mm height. Compliant with RoHS 3 (2015/863/EU) with exemption 6(a) for lead as an alloying element in steel and REACH (EC 1907/2006) regulations, meeting current environmental standards for industrial components.
