S-99091A074 2-56 x 1/8" 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 sensitive environments
- External hex drive design provides secure tool engagement for quick installation and removal
- Wide temperature tolerance (-40° to 185°F) maintains performance in both freezing and elevated temperature applications
- Class 2A thread fit with UNC coarse threading ensures reliable engagement and vibration resistance
- RoHS 3 compliance meets stringent environmental regulations for hazardous substance restrictions
- Fully threaded design offers maximum holding power across the entire fastener length
- Lightweight plastic construction reduces overall assembly weight while providing electrical insulation
Professional Applications & Engineering Value
These 2-56 UNC nylon hex head screws deliver exceptional value in applications where metal fasteners would compromise performance. The black nylon plastic construction provides inherent corrosion resistance, making them ideal for harsh environments where moisture, chemicals, or electrical conductivity are concerns. The coarse UNC thread pattern with Class 2A fit ensures secure fastening in plastic assemblies, electronic enclosures, and lightweight structures, while the external hex drive allows for high-torque installation without stripping. Engineered to perform consistently across a broad temperature range from -40° to 185°F, these screws maintain dimensional stability and mechanical properties in demanding industrial and electronic applications where thermal cycling is common.
Specification Summary & Compliance
These inch-system fasteners feature 2-56 UNC coarse threads with Class 2A thread fit tolerances, ensuring precise dimensional accuracy and reliable mating with standard components. The screws are fully threaded with right-hand thread direction and manufactured to meet RoHS 3 (2015/863/EU) compliance standards, guaranteeing environmental safety and regulatory adherence for global manufacturing requirements.
