S-91221A715 10-24 x 3/4" UL 94 HB Plastic Socket Head Screws
Plastic Socket 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
- Exceptional corrosion resistance with glass-filled nylon construction, ideal for harsh environments without risk of rust or chemical degradation.
- Reliable electrical insulation properties for safe use in electrical assemblies where metal fasteners could cause short circuits.
- Wide temperature tolerance from -20° to 230° F, ensuring stable performance in fluctuating industrial conditions.
- Precise Class 2A thread fit with UNC coarse threads for easy installation and secure, vibration-resistant fastening.
- Durable 5/32" hex drive design provides high torque capability and reduces stripping risk during assembly.
- Compliance with UL 94 HB flammability standards enhances safety in applications requiring reduced fire hazards.
- Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting global regulatory requirements.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, these glass-filled nylon socket head cap screws deliver superior performance where metal fasteners fall short. The off-white plastic material offers excellent resistance to chemicals, moisture, and UV exposure, preventing galvanic corrosion in mixed-material assemblies. With 10-24 UNC coarse threads and a standard socket head profile, they ensure quick installation in tight spaces using common hex keys. Ideal for electrical enclosures, machinery guards, and automotive components, these screws maintain integrity across a broad temperature range while providing electrical isolation. Their right-hand thread direction and fully threaded rod design guarantee consistent clamping force, solving common issues like loosening under vibration in conveyor systems or packaging equipment.
Specification Summary & Compliance
This socket head cap screw features precise Class 2A thread fit per UNC standards, ensuring dimensional accuracy for reliable engagement. Manufacturing adheres to UL 94 HB specifications for flammability resistance, with full compliance to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The coarse thread spacing and 5/16" head diameter provide optimal load distribution, meeting industrial fastener requirements for durability and safety.
