S-98885A201 2-56 x 3/16" 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 thermal stability with a wide operating range from -50° to 500°F, ensuring reliable performance in extreme temperature environments
- High tensile strength of 25,000 psi provides superior mechanical integrity for demanding industrial applications
- Chemical and corrosion resistance inherent to PEEK plastic material, ideal for harsh or chemically aggressive settings
- Precise Class 2A thread fit with UNC coarse threads for consistent, secure fastening and easy assembly
- UL 94 V-0 flammability rating enhances safety by preventing flame propagation in electrical or high-heat applications
- Compact 5/64" hex drive design allows for easy installation in confined spaces with standard tools
- Full regulatory compliance with RoHS 3, REACH, and ASME B18.3 standards ensures environmental safety and quality assurance
Professional Applications & Engineering Value
Engineered for challenging environments, these PEEK plastic socket head cap screws deliver outstanding performance where metal fasteners fail. The beige PEEK material offers excellent resistance to chemicals, hydrolysis, and wear, making them ideal for chemical processing equipment, semiconductor manufacturing, and aerospace components. Their right-hand UNC 2-56 coarse threads provide quick assembly and reliable holding power, while the fully threaded design ensures maximum grip across the entire 3/16" length. With a temperature range of -50° to 500°F and 25,000 psi tensile strength, these screws maintain structural integrity in thermal cycling applications, eliminating concerns about galvanic corrosion or electrical conductivity issues common with metal alternatives.
Specification Summary & Compliance
These socket head cap screws feature precise Class 2A thread fit with UNC coarse threads (2-56 size) and standard socket head profile. Manufactured to ASME B18.3 specifications with full compliance to RoHS 3 (2015/863/EU), REACH (EC 1907/2006), and UL 94 V-0 flammability standards. The inch system measurement ensures compatibility with North American industrial equipment and tooling requirements.
