S-97263A713 4-40 x 3/16" 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
• Broad temperature resilience from -40° to 185°F ensures reliable operation in varied industrial conditions
• Easy installation and removal with standard slotted drive design for straightforward manual assembly
• Secure thread engagement through Class 2A UNC coarse threads, providing consistent fit and vibration resistance
• Reduced part damage risk due to rounded head profile that minimizes surface marring
• Full-length threading offers maximum grip strength across the entire 3/16" length
• Environmental compliance with RoHS 3 standards for safe use in regulated industries

Professional Applications & Engineering Value

These 4-40 UNC nylon plastic screws deliver exceptional value in applications where metal fasteners fail, such as electrical enclosures, medical devices, and food processing equipment. The nylon material provides inherent electrical insulation and eliminates galvanic corrosion risks when mating with dissimilar metals. With a rounded head and slotted drive, they prevent accidental damage to sensitive surfaces while allowing quick servicing. The coarse thread design ensures rapid installation in plastic or soft materials, and the temperature range from -40° to 185°F maintains dimensional stability across harsh environments. Fully threaded and RoHS 3 compliant, these screws meet rigorous industrial standards while solving common assembly challenges.

Specification Summary & Compliance

This screw features precise Class 2A thread fit per UNC standards with 4-40 coarse threading and right-hand direction. Manufacturing adheres to dimensional specifications including 0.211" head diameter, 3/16" length, and fully threaded design. The product is RoHS 3 (2015/863/EU) compliant for environmental safety and meets industrial fastening requirements for plastic components.