S-92451A190 8-32 x 1/4" ASME B18.6.3 Brass Slotted Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from high-quality brass material, ensuring long-term reliability in humid or demanding industrial environments.
• Precise flush mounting with an 82° countersink angle and undercut flat head design for seamless, professional finishes without protrusion.
• Exceptional mechanical strength with 50,000 psi tensile strength and Rockwell B50 hardness, providing reliable performance under high-stress conditions.
• Easy installation and removal thanks to the slotted drive style, compatible with standard screwdrivers for efficient assembly.
• Accurate thread engagement with Class 2A thread fit and UNC coarse threading, reducing cross-threading risks and ensuring secure fastening.
• Full-length threading for maximum grip and holding power across the entire screw length, ideal for varied material thicknesses.
• Compliance with international standards including ASME B18.6.3, RoHS 3, and REACH, guaranteeing safety and environmental responsibility.

Professional Applications & Engineering Value

Engineered for precision and durability, these 8-32 UNC brass flat head slotted screws address common industrial challenges such as corrosion, vibration loosening, and installation efficiency. The brass construction offers inherent resistance to rust and galvanic corrosion, making them ideal for electrical enclosures, marine hardware, and plumbing systems where moisture exposure is a concern. The undercut flat head profile and 82° countersink angle ensure a flush fit, preventing snagging and improving aesthetics in visible applications. With coarse threading and Class 2A thread fit, these screws provide quick assembly and reliable hold in soft materials like wood or plastic, reducing labor time and enhancing project turnaround. Fully compliant with ASME B18.6.3 specifications, they deliver consistent performance in OEM manufacturing, machinery maintenance, and custom fabrication projects.

Specification Summary & Compliance

This screw maintains precise Class 2A thread fit per UNC standards, with a thread size of 8-32 and coarse spacing for optimal engagement. Dimensions include a head diameter of 0.312", length of 1/4", and full threading for uniform strength. It conforms to ASME B18.6.3 for dimensional accuracy and mechanical properties, and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring no hazardous substances are used. Ideal for applications requiring inch-system measurements and right-hand threading.