S-91221A440 8-32 x 3/8" 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
- Superior strength and durability with glass-filled nylon construction for reliable performance in demanding industrial environments
- Excellent temperature resistance from -20° to 230°F, ensuring stable operation across various thermal conditions
- Corrosion-resistant plastic material eliminates rust concerns and reduces maintenance needs in harsh applications
- Precise Class 2A thread fit with UNC coarse threads for secure, vibration-resistant fastening and easy assembly
- Convenient 9/64" hex drive with standard socket head design for efficient installation using common tools
- Full environmental compliance with RoHS 3 and REACH standards for safe, sustainable manufacturing practices
- Lightweight yet robust design offering strength comparable to metal fasteners without the weight penalty
Professional Applications & Engineering Value
These glass-filled nylon socket head cap screws deliver exceptional engineering value where corrosion resistance, electrical insulation, and weight reduction are critical. The 8-32 UNC thread with Class 2A fit ensures reliable engagement in plastic and metal components, while the coarse thread spacing provides superior holding power in softer materials. The temperature resistance from -20° to 230°F makes these plastic fasteners ideal for electrical enclosures, automotive components, and food processing equipment where thermal cycling occurs. The off-white color and socket head design offer both aesthetic appeal and practical installation benefits in visible applications.
Specification Summary & Compliance
This socket head cap screw features precision 8-32 UNC coarse threads with Class 2A thread fit for consistent dimensional accuracy. The right-hand thread direction and fully threaded rod type ensure maximum engagement length. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, confirming the absence of restricted substances. The 9/64" hex drive and standard socket head profile maintain compatibility with industry-standard installation tools.
