S-92480A867 4-40 x 5/8" ASME B18.6.3 Brass Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with brass construction for long-lasting performance in harsh industrial environments
• Exceptional mechanical strength with 50,000 psi tensile strength and Rockwell B50 hardness for reliable load-bearing capabilities
• Precision flush mounting with 82° countersink angle and standard flat head profile for seamless surface integration
• Effortless installation through Phillips No. 1 drive design providing secure torque transmission and reduced cam-out risk
• Reliable thread engagement with Class 2A UNC coarse threads ensuring consistent fastening in various materials
• Full threading coverage across the 5/8" length for maximum grip strength and uniform stress distribution
• Regulatory compliance assurance meeting ASME B18.6.3 specifications and environmental standards including RoHS 3 and REACH

Professional Applications & Engineering Value

These 4-40 UNC brass flat head Phillips screws deliver critical engineering solutions where corrosion resistance and flush surface requirements intersect. The brass material provides inherent protection against oxidation and galvanic corrosion, making these industrial screws ideal for electrical components, marine equipment, and plumbing systems. The fully threaded design ensures maximum holding power across the entire fastener length, while the standard flat head profile with 82° countersink angle creates seamless integration in precision assemblies. The Phillips drive system with No. 1 size offers reliable installation torque transfer, reducing stripping risks during high-volume assembly operations. These brass fasteners maintain structural integrity in vibration-prone environments, providing durable fastening solutions for OEM manufacturing and maintenance applications.

Specification Summary & Compliance

Manufactured to exact Class 2A thread fit tolerances with UNC coarse thread spacing for consistent performance. Complies with ASME B18.6.3 manufacturing specifications ensuring dimensional accuracy and mechanical properties. Meets RoHS 3 (2015/863/EU) compliance for restricted substance control and REACH (EC 1907/2006) environmental standards. Features right-hand thread direction with 0.212" head diameter and 5/8" length for standardized installation across industrial applications.