S-91970A622 3/8"-16 x 3/4" Plastic Hex Head Screws
Plastic Hex Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Corrosion-resistant nylon construction eliminates rust and galvanic corrosion in harsh environments
- External hex drive design provides secure tool engagement and high torque capability during installation
- Class 2A thread fit with UNC coarse threading ensures reliable assembly and vibration resistance
- Wide temperature tolerance (-40° to 185°F) maintains structural integrity across diverse operating conditions
- RoHS 3 compliance meets international environmental standards for restricted substances
- Full threading along 3/4" length delivers maximum grip strength and uniform load distribution
- Non-conductive plastic material prevents electrical conductivity issues in sensitive applications
Professional Applications & Engineering Value
These nylon hex head screws provide essential solutions where metal fasteners fail. The black nylon plastic construction offers inherent corrosion resistance, making them ideal for chemical processing, marine environments, and outdoor applications where moisture and corrosive agents degrade metal components. The 3/8"-16 UNC coarse thread configuration ensures quick assembly and reliable performance in plastic, wood, and soft metal substrates, while the external hex drive accommodates standard tools for efficient installation. Their electrical insulation properties make them perfect for electrical enclosures, control panels, and applications requiring non-conductive fastening solutions. The material's dimensional stability across the -40° to 185°F temperature range ensures consistent clamping force without thermal expansion concerns.
Specification Summary & Compliance
This fully threaded screw features precise Class 2A thread fit per UNC standards with 3/8"-16 coarse threading and measures 3/4" in length. Manufactured from durable nylon plastic with black coloration, it complies with RoHS 3 (2015/863/EU) environmental regulations. The external hex drive configuration (9/16" head width, 17/64" head height) ensures compatibility with standard industrial tools.
