S-92451A092 3-48 x 1/4" ASME B18.6.3 Brass Slotted Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with brass construction, ideal for humid or corrosive industrial environments
• Exceptional tensile strength rated at 50,000 psi ensures reliable performance under high-stress applications
• Precision Class 2A thread fit guarantees consistent engagement and vibration resistance in assembled components
• Fully threaded UNC coarse design provides faster installation and enhanced pull-out resistance in soft materials
• Standard 82° countersink angle enables flush mounting for streamlined surfaces and improved aesthetics
• Rockwell B50 hardness maintains thread integrity and prevents deformation during repeated use
• Comprehensive compliance with ASME B18.6.3, RoHS 3, and REACH ensures regulatory adherence for global supply chains

Professional Applications & Engineering Value

Engineered for precision fastening in demanding environments, these 3-48 UNC brass flat head screws combine material excellence with mechanical reliability. The brass alloy inherently resists galvanic corrosion and electrical conductivity issues, making them ideal for electrical enclosures, marine hardware, and plumbing systems. The slotted drive accommodates standard tools for maintenance-friendly installations, while the coarse UNC threading ensures rapid assembly in soft substrates like wood or plastic. With full threading along the 1/4" length, these screws distribute clamp force evenly, preventing joint loosening in vibration-prone applications. Their ASME B18.6.3 compliance guarantees dimensional consistency for interchangeable use in OEM production lines.

Specification Summary & Compliance

This flat head screw maintains Class 2A thread fit tolerances per UNC standards, ensuring precise mating with corresponding nuts and threaded holes. Manufacturing adheres to ASME B18.6.3 specifications for dimensional accuracy, including head diameter (0.187"), head height (0.059"), and 82° countersink geometry. The product is verified RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, containing no restricted hazardous substances. All measurements follow the inch system with right-hand threading for universal compatibility in North American and international markets.