S-92929A203 5/16"-18 x 1/2" ASME B18.6.3 Plastic Slotted Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance ensures long-lasting performance in harsh environments without rust or degradation
• Excellent electrical insulation properties prevent current leakage and short circuits in electrical applications
• Wide temperature tolerance from -40°F to 185°F maintains structural integrity across diverse operating conditions
• Precision Class 2A thread fit provides consistent, reliable engagement with mating components
• 82° countersink angle design enables flush mounting for clean, professional-looking installations
• Coarse UNC threading delivers quick assembly and strong holding power in various materials
• Full threading along the entire 1/2" length maximizes grip strength and adjustment flexibility

Professional Applications & Engineering Value

This nylon plastic flat head screw with 5/16"-18 UNC coarse threading solves critical engineering challenges where metal fasteners fail. The non-conductive nylon material eliminates electrical conductivity risks in panel assemblies, electronic enclosures, and control systems while providing inherent corrosion resistance in humid or chemical environments. The standard 82° countersink angle and slotted drive style facilitate precise installation in tight spaces, making these plastic screws ideal for HVAC components, marine equipment, food processing machinery, and electrical insulation applications where traditional metal fasteners would corrode or create electrical hazards.

Specification Summary & Compliance

Manufactured to exact ASME B18.6.3 specifications with Class 2A thread fit tolerances for consistent performance. Features 5/16"-18 UNC coarse threads, right-hand threading, and fully threaded 1/2" length design. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in regulated industries and international markets.