S-91244A624 3/8"-16 x 1" Plastic Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance for reliable performance in harsh chemical or moisture-rich environments where metal fasteners would degrade
• Excellent electrical insulation properties to prevent short circuits and ensure safety in electrical assemblies and sensitive electronic applications
• Wide operating temperature range from -40° to 185°F maintains structural integrity and performance in both freezing and elevated temperature conditions
• Precise Class 2A thread fit ensures smooth installation and secure fastening with standard UNC coarse threads for vibration resistance
• External hex drive design provides superior torque transmission and easy installation with common tools while preventing tool slippage
• Lightweight nylon construction reduces overall assembly weight without compromising strength, ideal for applications where weight savings matter
• RoHS 3 compliance meets international environmental standards for hazardous substance restrictions in manufacturing and end-use applications

Professional Applications & Engineering Value

These nylon plastic hex head screws deliver critical engineering advantages where traditional metal fasteners fall short. The off-white nylon material provides inherent corrosion resistance, eliminating galvanic corrosion concerns in mixed-material assemblies and harsh environments. The fully threaded UNC coarse thread design ensures maximum holding power across the entire 1" length, while the external hex drive accommodates high-torque installation without stripping. Particularly valuable in electrical applications, these screws prevent current conduction and thermal bridging, making them ideal for panel boxes, electronic enclosures, and marine equipment where electrical insulation and environmental durability are paramount. The 3/8"-16 thread size with Class 2A fit guarantees compatibility with standard industrial components.

Specification Summary & Compliance

This hex head screw features precise UNC coarse threads with Class 2A thread fit tolerance for reliable engagement. Manufacturing follows standardized inch system dimensions including 9/16" head width and 17/64" head height with right-hand threading. The product is fully compliant with RoHS 3 (2015/863/EU) regulations, ensuring environmental safety and international market acceptance. The fully threaded design provides consistent fastening performance across the entire shank length.