S-92929A205 5/16"-18 x 3/4" ASME B18.6.3 Plastic Slotted Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from nylon plastic construction, eliminating rust and chemical degradation in harsh environments
• Excellent electrical insulation properties for safe use in electrical assemblies and sensitive electronic applications
• Reliable thread engagement with Class 2A UNC coarse threads ensuring secure fastening and vibration resistance
• Wide temperature tolerance from -40° to 185°F for stable performance across diverse operating conditions
• Streamlined installation with standard 82° countersink angle providing flush mounting in prepared surfaces
• Full compliance with industry standards including ASME B18.6.3 for dimensional accuracy and manufacturing consistency
• Environmental regulation adherence with RoHS 3 and REACH compliance for global market acceptance

Professional Applications & Engineering Value

These nylon plastic flat head screws deliver critical engineering advantages where metal fasteners fail. The non-conductive properties make them ideal for electrical enclosures, control panels, and electronic assemblies where electrical isolation is mandatory. Their inherent corrosion resistance solves persistent degradation issues in chemical processing, marine, and outdoor applications without requiring additional coatings. The fully threaded UNC coarse thread design provides maximum holding power in plastic assemblies and soft materials, while the standard 82° countersink angle ensures proper seating in machined surfaces. These slotted drive flat head screws maintain dimensional stability across the broad temperature range from -40° to 185°F, making them suitable for automotive, HVAC, and industrial equipment applications where thermal cycling occurs.

Specification Summary & Compliance

This 5/16"-18 UNC x 3/4" nylon plastic flat head screw features Class 2A thread fit per inch system standards, ensuring proper clearance and interchangeability. Manufacturing complies with ASME B18.6.3 specifications for dimensional accuracy and mechanical requirements. The product meets RoHS 3 (2015/863/EU) compliance for restricted hazardous substances and REACH (EC 1907/2006) compliance for chemical safety regulations. The fully threaded coarse spacing and standard flat head profile with 82° countersink angle provide consistent performance across industrial applications.