S-91244A638 3/8"-16 x 3" 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, ideal for electrical and marine applications
- Excellent electrical insulation properties provide safe, non-conductive fastening in sensitive equipment
- Wide temperature tolerance (-40° to 185°F) maintains structural integrity across diverse operating environments
- Coarse UNC threading with Class 2A fit ensures quick assembly and reliable engagement in plastic and soft materials
- External hex drive design delivers superior torque transmission and easy installation with standard tools
- RoHS 3 compliance meets stringent environmental regulations for global industrial applications
- Lightweight yet durable plastic reduces overall component weight without sacrificing performance
Professional Applications & Engineering Value
These 3/8"-16 UNC nylon hex head screws solve critical engineering challenges where metal fasteners fail. The off-white nylon plastic material provides inherent resistance to chemicals, moisture, and electrical conductivity, making them perfect for electrical enclosures, marine hardware, and food processing equipment. The coarse thread design prevents stripping in soft materials while the partial threading allows for precise clamping force control. With external hex drive compatibility, maintenance teams can achieve secure installations using standard industrial tools, reducing assembly time and tooling costs across manufacturing and maintenance operations.
Specification Summary & Compliance
Manufactured to UNC coarse thread standards with Class 2A thread fit for consistent engagement and reliable performance. These 3-inch length screws feature precise dimensional accuracy with 9/16" head width and 17/64" head height for uniform tool engagement. Fully compliant with RoHS 3 (2015/863/EU) environmental regulations, ensuring safe use across global industrial markets. The inch system measurement guarantees compatibility with North American equipment specifications and replacement part requirements.
