S-98886A820 5/16"-18 Hex Nuts
Hex Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Temperature & Environment Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Exceptional thermal stability for reliable performance in extreme environments from -50°F to 550°F
- Superior chemical resistance thanks to PEEK plastic construction, ideal for corrosive industrial settings
- Precise Class 2B thread fit ensures smooth assembly and secure fastening in demanding applications
- Robust UNC coarse threading provides excellent vibration resistance and quick installation
- Standard external hex drive design enables easy installation with common tools
- Full regulatory compliance with RoHS 3 and REACH standards for global industrial use
- Optimized dimensional profile (9/16" width × 7/32" height) for space-constrained assemblies
Professional Applications & Engineering Value
This PEEK plastic hex nut delivers critical performance advantages in challenging industrial environments where metal fasteners fail. The high-temperature PEEK material maintains structural integrity and mechanical properties across an extensive thermal range (-50°F to 550°F), solving common thermal degradation issues in automotive, aerospace, and chemical processing equipment. The 5/16"-18 UNC coarse thread configuration with Class 2B thread fit ensures reliable engagement and vibration resistance in high-stress assemblies. The external hex drive design facilitates straightforward installation while the chemical-resistant properties of PEEK plastic provide long-term durability in corrosive environments, making this fastener ideal for OEM applications requiring consistent performance under extreme conditions.
Specification Summary & Compliance
This inch-system hex nut features precise 5/16"-18 UNC coarse threading with Class 2B thread fit tolerance, manufactured to standard dimensional specifications (9/16" width × 7/32" height). The component is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial applications worldwide. The right-hand thread direction and standard hex nut profile conform to industry-standard installation practices and tool compatibility requirements.
