S-97263A715 4-40 x 5/16" Plastic Round Head Slotted Screws

Key Features & Benefits at a Glance

• Corrosion-free performance with durable nylon plastic construction, ideal for humid or chemical environments
• Wide temperature resilience from -40° to 185°F ensures reliable operation in varying industrial conditions
• Easy installation and removal with standard slotted drive design for quick manual adjustments
• Secure thread engagement through fully threaded UNC coarse pattern and Class 2A fit for vibration resistance
• Safe for sensitive applications with RoHS 3 compliance, eliminating hazardous substances in electronics
• Reduced part damage risk with rounded head profile distributing pressure evenly on surfaces
• Broad compatibility with 4-40 UNC right-hand threading meeting common North American assembly standards

Professional Applications & Engineering Value

This nylon plastic rounded head screw delivers essential electrical insulation and chemical resistance where metal fasteners fail. Its 4-40 UNC coarse threading combined with Class 2A thread fit maintains consistent clamping force in vibrating assemblies, while the slotted drive accommodates rapid field servicing. Engineered for electronic enclosures, control panels, and laboratory equipment, the material’s inherent dielectric properties prevent short circuits. The fully threaded design ensures maximum grip length in plastic or thin metal substrates, solving stripping and cross-threading issues common in automated production lines.

Specification Summary & Compliance

Precision-machined to UNC coarse thread standards with Class 2A tolerance for consistent fit. Complies with RoHS 3 (2015/863/EU) regulations, containing no restricted hazardous materials. Dimensions include #4-40 thread size, 0.211" head diameter, and 5/16" length. Suitable for general industrial use within specified temperature ranges.