S-99223A038 5/16"-18 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 chemical resistance from Acetal Plastic material, ideal for harsh industrial environments where corrosion is a concern
- Excellent dimensional stability ensures consistent performance and reliable fit in repetitive assembly applications
- Class 2B thread fit provides smooth engagement and secure fastening with standard UNC 5/16"-18 coarse threaded components
- RoHS 3 compliance guarantees environmental safety and meets stringent regulatory standards for industrial use
- Standard external hex drive design allows for easy installation and removal with common wrench tools
- Lightweight white plastic construction reduces overall assembly weight while maintaining high durability
- Coarse thread spacing enables quick assembly and disassembly, improving maintenance efficiency
Professional Applications & Engineering Value
This Acetal Plastic Hex Nut delivers exceptional engineering value in applications where metal fasteners would corrode or contaminate sensitive environments. The 5/16"-18 UNC coarse thread with Class 2B fit ensures reliable performance in vibration-prone assemblies while maintaining electrical insulation properties. The white Acetal Plastic construction offers outstanding resistance to chemicals, solvents, and moisture, making it ideal for food processing equipment, electrical enclosures, marine applications, and laboratory instrumentation. Its external hex drive profile provides familiar installation using standard tools, while the plastic material eliminates galvanic corrosion concerns when used with dissimilar metals.
Specification Summary & Compliance
This hex nut features precision 5/16"-18 UNC coarse threads with Class 2B thread fit per inch measurement standards, ensuring compatibility with corresponding male threads. Dimensions include 33/64" width across flats and 17/64" height for standard profile requirements. Manufactured from high-grade Acetal Plastic, the product is fully RoHS 3 (2015/863/EU) compliant and meets industry standards for plastic fasteners in industrial applications.