S-94564A229 4-40 x 5/32" Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to durable nylon plastic construction, eliminating rust and chemical degradation in harsh environments
• Excellent electrical insulation properties for safe use in electrical assemblies and sensitive electronic components
• Wide operating temperature range from -40° to 185°F ensures reliable performance in varying thermal conditions
• Precise Class 2A thread fit with UNC coarse threads for secure fastening and easy installation in industrial applications
• Compact headless design with 3/64" hex drive allows for flush mounting in tight spaces while providing reliable torque transmission
• RoHS 3 compliance ensures environmental responsibility and meets international regulatory standards
• Flat tip design provides consistent surface contact and secure positioning of components

Professional Applications & Engineering Value

This 4-40 UNC nylon plastic set screw delivers critical engineering advantages where metal fasteners fail. The nylon plastic construction provides inherent corrosion resistance, making it ideal for chemical processing, marine, and outdoor applications where moisture and corrosive elements are present. The material's natural electrical insulation properties prevent short circuits in electronic assemblies, while the headless design with 3/64" hex drive enables flush mounting in precision equipment and compact enclosures. The Class 2A thread fit with coarse UNC threads ensures reliable engagement in plastic and soft materials, reducing stripping risks. Operating across a broad temperature range from -40° to 185°F, this set screw maintains dimensional stability in demanding industrial environments from automotive to consumer electronics.

Specification Summary & Compliance

This inch-system fastener features 4-40 UNC coarse threads with Class 2A thread fit tolerance for precise engagement. The right-hand thread direction and flat tip design ensure consistent application performance. Manufactured to meet RoHS 3 (2015/863/EU) compliance standards, this set screw adheres to environmental regulations while maintaining the dimensional accuracy required for industrial fastening applications.