S-91395A220 7/8"-9 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
- Superior corrosion resistance from fiberglass construction, ideal for harsh industrial environments
- Excellent thermal stability with maximum operating temperature of 190°F for reliable high-temperature applications
- Secure and efficient installation with standard external hex drive design for standard wrench compatibility
- Precise thread engagement with Class 2B thread fit ensuring consistent performance and vibration resistance
- Durable coarse threading (7/8"-9 UNC) provides faster assembly and better performance in high-vibration settings
- Environmental compliance with RoHS 3 (2015/863/EU) standards for restricted substance control
- Standard hex profile (1 5/16" width) offers familiar handling and tool engagement for maintenance teams
Professional Applications & Engineering Value
This gray fiberglass hex nut delivers exceptional value in corrosive and high-temperature environments where metal fasteners would fail. The fiberglass material provides inherent corrosion resistance, eliminating rust concerns in chemical processing, marine, and outdoor applications. With its 7/8"-9 UNC coarse threads and Class 2B thread fit, this nut ensures reliable performance in vibrating machinery and equipment where loosening is a concern. The 190°F maximum temperature rating makes it suitable for industrial heating systems, engine compartments, and processing equipment. The external hex drive style allows for quick installation and removal using standard tools, reducing maintenance time and costs while maintaining secure fastening in demanding conditions.
Specification Summary & Compliance
This inch-system hex nut features 7/8"-9 UNC coarse threads with Class 2B thread fit for standard industrial applications. Dimensions include 1 5/16" width and 25/32" height with right-hand thread direction. Manufactured to meet industry standards for external hex drive nuts with standard hex profile. Compliant with RoHS 3 (2015/863/EU) regulations for environmental safety and restricted substance control.
