S-90114A514 4-40 x 3/8" ASME B18.6.3 Brass Fillister Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with high-quality brass construction, ideal for harsh industrial environments and electrical applications
• Enhanced torque transmission from the deep slotted drive and high Fillister head profile, reducing tool slippage during installation
• Reliable fastening performance with Class 2A thread fit and coarse UNC threading, ensuring easy assembly and vibration resistance
• Exceptional mechanical strength with 50,000 psi tensile strength and Rockwell B40 hardness for heavy-duty applications
• Broad compatibility with 4-40 UNC thread size and 3/8" fully threaded length, fitting standard industrial components
• Full regulatory compliance meeting ASME B18.6.3 manufacturing standards, RoHS 3, and REACH for global supply chain use
• Optimized head design with rounded Fillister profile providing a larger bearing surface for secure clamping

Professional Applications & Engineering Value

This brass Fillister head slotted screw is engineered to address critical challenges in precision assembly and corrosive environments. The high rounded head profile offers superior clamp load distribution, preventing surface damage in sensitive electrical and instrumentation applications. Its 4-40 UNC coarse threading and Class 2A thread fit ensure rapid installation with minimal cross-threading risk, while the fully threaded design provides consistent engagement depth. The brass material delivers essential non-magnetic and non-sparking properties for hazardous locations, combined with natural corrosion resistance that outperforms steel alternatives in marine, chemical processing, and outdoor applications. The deep slotted drive accommodates standard tools for maintenance-friendly disassembly in confined spaces.

Specification Summary & Compliance

This screw maintains Class 2A thread fit tolerance per UNC standards with precise 4-40 thread size and 3/8" length. Manufacturing follows ASME B18.6.3 specifications for dimensional consistency. The product is fully compliant with RoHS 3 (2015/863/EU) for hazardous substance restrictions and REACH (EC 1907/2006) regulations, ensuring environmental safety and global market acceptance.