S-96887A122 M8 DIN 557 Square Nuts
Square Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
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Key Features & Benefits at a Glance
- Exceptional corrosion resistance with black zinc-plated steel coating for extended service life in demanding environments
- Superior thread engagement with Class 7H thread fit ensuring precise, vibration-resistant fastening connections
- Heavy-duty performance backed by Class 5 strength rating for reliable load-bearing capacity in industrial applications
- Optimized installation efficiency featuring external square drive design for secure tool grip and simplified assembly
- Standardized compatibility with DIN 557 specification compliance for seamless integration into metric fastener systems
- Enhanced durability through coarse thread design (M8 x 1.25mm) providing superior resistance to loosening under dynamic loads
- Precision manufacturing with 13mm width and 6.5mm height dimensions ensuring consistent performance across applications
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, these M8 square nuts solve critical fastening challenges where vibration resistance and long-term reliability are paramount. The black zinc-plated steel construction provides essential corrosion protection for machinery, equipment frames, and structural assemblies exposed to harsh operating conditions. The coarse thread design (1.25mm pitch) ensures rapid installation and maintains clamping force under dynamic stresses, while the external square drive allows for secure tool engagement in confined spaces. DIN 557 compliance guarantees dimensional accuracy and interchangeability within metric fastener systems, making these Class 5 strength nuts ideal for automotive, manufacturing, and construction applications requiring dependable, high-performance fastening solutions.
Specification Summary & Compliance
Manufactured to DIN 557 standards with Class 7H thread fit tolerance for precision metric threading. Features M8 x 1.25mm coarse right-hand threads with dimensional accuracy of 13mm width and 6.5mm height. Class 5 strength rating ensures mechanical performance consistency. Compliant with RoHS and REACH environmental directives for safe industrial use.
