S-90114A623 1/4"-20 x 1" ASME B18.6.3 Brass Fillister Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with brass construction for long-lasting performance in harsh industrial environments
• Enhanced torque transmission through the high-profile fillister head design, reducing slippage during installation
• Reliable thread engagement with UNC coarse threading and Class 2A fit for secure fastening in various materials
• Exceptional mechanical strength with 50,000 psi tensile strength and Rockwell B40 hardness for heavy-duty applications
• Full regulatory compliance meeting ASME B18.6.3 standards and environmental regulations including RoHS 3 and REACH
• Optimized installation efficiency with slotted drive style and right-hand threading for straightforward assembly
• Consistent dimensional accuracy with 1" length and 0.414" head diameter ensuring precise fit in engineering applications

Professional Applications & Engineering Value

These brass fillister head slotted screws deliver exceptional value in industrial settings where corrosion resistance and mechanical reliability are paramount. The high-profile rounded head design provides superior bearing surface distribution, while the UNC coarse thread configuration ensures rapid installation and secure fastening in soft materials and pre-tapped holes. The combination of Rockwell B40 hardness and 50,000 psi tensile strength makes these screws ideal for electrical components, marine hardware, and precision instrumentation where galvanic corrosion must be avoided. The fully threaded construction allows for maximum adjustability and holding power across the entire fastener length, solving common challenges of thread stripping and material fatigue in demanding applications.

Specification Summary & Compliance

This 1/4"-20 brass fillister head slotted screw features precise Class 2A thread fit tolerances and complies with ASME B18.6.3 manufacturing specifications. The product meets stringent environmental standards including RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations, ensuring safe use in global industrial markets. Manufacturing adheres to inch system measurements with UNC coarse thread spacing and right-hand thread direction for consistent performance across applications requiring industrial-grade brass fasteners.