S-92929A216 1/4"-20 x 1/4" ASME B18.6.3 Plastic Slotted Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional chemical resistance from nylon plastic construction, ideal for corrosive environments
• Reliable performance across extreme temperatures (-40° to 185°F) without degradation
• Secure fastening with Class 2A thread fit ensuring consistent engagement and vibration resistance
• Standard 82° countersink angle provides flush mounting for clean, professional finishes
• Full threading along entire 1/4" length maximizes grip strength in various material thicknesses
• Slotted drive compatibility allows installation with common hand tools for maintenance flexibility
• Dual compliance assurance meeting both ASME B18.6.3 mechanical specs and RoHS 3 environmental standards

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these nylon plastic flat head screws solve critical challenges where metal fasteners fail. The non-conductive, corrosion-resistant properties make them ideal for electrical enclosures, chemical processing equipment, and marine applications. The 1/4-20 UNC coarse thread provides excellent pull-out resistance in plastic assemblies and softer materials, while the standard 82° countersink ensures seamless integration with matching chamfered holes. As fully threaded fasteners with right-hand threading, they deliver uniform clamping force across the entire engagement length, preventing loosening under vibration - a common issue in machinery and automotive components. Their temperature stability maintains mechanical integrity from freezer applications to heated industrial systems.

Specification Summary & Compliance

This 1/4-20 UNC flat head screw maintains precise Class 2A thread fit tolerances per inch system requirements, ensuring consistent mating with corresponding nuts and tapped holes. Manufacturing strictly adheres to ASME B18.6.3 specifications for dimensional accuracy and mechanical performance. The product is fully RoHS 3 (2015/863/EU) compliant, containing no restricted hazardous substances, making it suitable for global industrial applications with environmental regulations. The standard 82° countersink angle and flat head profile conform to established industrial fastening standards for reliable performance.