S-91345A584 5/16"-18 x 2" Fiberglass Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with fiberglass construction, ideal for harsh environments and chemical exposure
• Excellent thermal stability across a wide temperature range from -60°F to 190°F, ensuring reliable performance in extreme conditions
• Secure and efficient fastening with UNC coarse threading and Class 2A fit for quick assembly and reduced cross-threading risks
• Enhanced durability in assemblies due to the partially threaded design, providing better grip and vibration resistance
• Easy installation and removal with external hex drive and standard hex head, compatible with common tools
• Environmental compliance with RoHS 3 standards, making it safe for various industrial applications
• Lightweight yet strong fiberglass material reduces overall weight without compromising on fastening integrity

Professional Applications & Engineering Value

This fiberglass hex head screw is engineered to address common industrial challenges such as corrosion, thermal expansion, and electrical insulation needs. Made from gray fiberglass, it offers inherent resistance to rust and chemicals, making it perfect for marine, chemical processing, and outdoor applications. The UNC coarse thread with Class 2A fit ensures quick and reliable fastening, reducing installation time and minimizing thread damage. Its partially threaded design enhances clamping force in assemblies, while the external hex drive allows for high torque application without slippage. Ideal for high-temperature environments and electrically non-conductive setups, this screw provides long-term reliability and compliance with industry standards, supporting efficient B2B procurement for durable industrial fasteners.

Specification Summary & Compliance

This screw adheres to precise inch system measurements with a thread size of 5/16"-18 UNC and Class 2A thread fit for consistent dimensional accuracy. It features a coarse thread spacing and partially threaded design with a minimum thread length of 1 1/2". Compliance includes RoHS 3 (2015/863/EU), ensuring it meets environmental regulations for hazardous substance restrictions. The product operates within a temperature range of -60°F to 190°F, though hardness is not rated, and it is manufactured to standard UNC threading specifications for reliable performance in various industrial applications.