S-91221A990 1/4"-20 x 2" 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
- Corrosion and chemical resistance from durable glass-filled nylon construction, ideal for harsh industrial environments.
- Reliable performance across a wide temperature range from -20°F to 230°F, ensuring stability in varied operating conditions.
- Precise Class 2A thread fit for smooth assembly and secure fastening in UNC coarse thread applications.
- Standard hex socket drive allows for high-torque installation with common tools, reducing assembly time.
- Full thread engagement along the 2-inch length provides maximum holding power and versatility in material thickness.
- Compliance with RoHS 3 and REACH regulations ensures environmental safety and suitability for global industrial supply chains.
- Lightweight and non-conductive properties make it perfect for electrical and weight-sensitive applications.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, this glass-filled nylon socket head cap screw delivers exceptional chemical resistance and durability where metal fasteners would corrode or fail. The UNC coarse thread with Class 2A fit ensures quick, reliable installation in plastics, composites, and soft metals, reducing cross-threading risks. Its right-hand threading and standard hex drive simplify maintenance and assembly in confined spaces, while the temperature resilience from -20° to 230° F supports use in automotive, electronics, and outdoor equipment. This RoHS and REACH compliant fastener is a trusted solution for OEMs requiring consistent performance in corrosive or electrically sensitive environments.
Specification Summary & Compliance
This socket head cap screw adheres to UNC thread standards with Class 2A fit for precise dimensional accuracy. It is manufactured from glass-filled nylon plastic with an off-white color and features a 3/16" hex drive and fully threaded 1/4"-20 design. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting stringent environmental and safety standards for industrial components.
