S-91970A624 3/8"-16 x 1" Plastic Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance due to nylon plastic construction, eliminating rust and degradation in harsh environments
• Reliable fastening in wide temperature ranges from -40° to 185°F, maintaining integrity in varying operational conditions
• Quick and secure installation with external hex drive and 9/16" head width for easy tool access and high torque application
• Superior thread engagement with UNC coarse threads and Class 2A fit, ensuring consistent holding power and vibration resistance
• Full threading along the 1" length provides maximum grip and uniform stress distribution across the fastened materials
• Environmentally compliant manufacturing with RoHS 3 adherence, meeting global regulatory standards for hazardous substances
• Lightweight yet durable fastening solution ideal for applications where metal screws would add unnecessary weight or cause galvanic corrosion

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these nylon plastic hex head screws solve critical challenges where metal fasteners fail. The black nylon material provides inherent corrosion resistance, making them ideal for chemical processing, marine applications, and outdoor equipment where moisture and corrosive agents are present. The 3/8"-16 UNC coarse thread configuration delivers superior performance in plastic, wood, and soft metal assemblies, preventing stripping while the external hex drive enables high-torque installation without head deformation. With temperature resistance spanning -40° to 185°F, these screws maintain dimensional stability in both freezing and elevated temperature applications, while the fully threaded design ensures maximum clamping force distribution across the entire fastener length.

Specification Summary & Compliance

This hex head screw features precision UNC coarse threads with Class 2A thread fit for consistent engagement and reliable performance. Manufacturing follows standardized inch system dimensions including 1" length, 9/16" head width, and 17/64" head height. The product is fully RoHS 3 (2015/863/EU) compliant, ensuring adherence to environmental regulations restricting hazardous substances in electrical and electronic equipment.