S-94735A578 5/16"-18 x 3/8" ASME B18.6.3 Plastic Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Excellent corrosion resistance due to nylon plastic construction, ideal for humid or chemical environments
• Secure and reliable fastening with UNC coarse threading and Class 2A fit, ensuring consistent engagement
• Broad temperature tolerance from -40° to 185°F for stable performance in varying thermal conditions
• Easy installation and removal with Phillips No. 4 drive and rounded pan head design
• Full thread coverage maximizes grip strength and load distribution along the entire length
• Compliance with major industry standards including ASME B18.6.3 for dimensional accuracy
• Environmentally safe with RoHS 3 and REACH compliance, meeting global regulatory requirements

Professional Applications & Engineering Value

These nylon pan head screws provide a non-conductive, lightweight, and durable fastening solution for demanding industrial and commercial settings. The nylon plastic material resists rust, chemicals, and electrical conductivity, making them perfect for electrical enclosures, marine equipment, and food processing machinery. The UNC coarse thread and Class 2A fit ensure quick assembly and reliable hold in plastics and soft metals, reducing the risk of cross-threading. With a temperature range of -40° to 185°F, they maintain integrity in both freezing and moderately high-heat environments. The Phillips drive and rounded head design allow for efficient installation with standard tools, enhancing productivity in automated or manual assembly lines.

Specification Summary & Compliance

This screw features a 5/16"-18 UNC coarse thread with Class 2A thread fit for precise dimensional tolerance as per ASME B18.6.3. It is fully threaded and right-hand threaded, with a pan head style and Phillips No. 4 drive. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for various applications.