S-98885A213 1/4"-20 x 2 1/2" ASME B18.3, UL 94 V-0 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 high-temperature performance for reliable operation from -50°F to 500°F, ideal for demanding thermal environments.
- High tensile strength of 25,000 psi provides robust clamping force and structural integrity in critical assemblies.
- Superior chemical and corrosion resistance due to PEEK plastic material, ensuring long-term durability without degradation.
- UL 94 V-0 flammability rating offers enhanced fire safety, making it suitable for applications with strict fire resistance requirements.
- Precision Class 2A UNC coarse thread ensures easy, fast assembly and reliable thread engagement for efficient production.
- Hex socket drive design allows for high torque application and secure installation in confined spaces.
- Compliance with RoHS 3 and REACH guarantees environmental safety and regulatory adherence for global supply chains.
Professional Applications & Engineering Value
Engineered for challenging industrial settings, this PEEK plastic socket head cap screw excels in applications where metal fasteners fail, such as in chemical processing, aerospace, and electronics. Its high-temperature resistance from -50°F to 500°F prevents deformation under thermal cycling, while the corrosion-resistant PEEK material avoids galvanic corrosion and contamination. The UNC coarse thread with Class 2A fit simplifies installation, reducing assembly time and minimizing cross-threading risks. Ideal for plastics, composites, and sensitive equipment, this fastener meets ASME B18.3 specifications, ensuring dimensional consistency and reliability in high-stress, non-conductive assemblies.
Specification Summary & Compliance
This 1/4"-20 socket head cap screw features a 2 1/2" length with fully threaded UNC coarse threads and Class 2A thread fit for precise dimensional accuracy. It complies with ASME B18.3 manufacturing standards and holds UL 94 V-0 certification for flame retardancy. The product is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, ensuring adherence to environmental and safety regulations.
