S-92480A875 1/4"-20 x 2 1/2" ASME B18.6.3 Brass Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with brass construction, ideal for humid or corrosive environments without compromising integrity.
• High tensile strength of 50,000 psi ensures reliable, long-lasting fastening for demanding industrial applications.
• Rockwell B50 hardness provides excellent durability and resistance to wear, reducing replacement frequency.
• Class 2A thread fit with UNC coarse threading allows for quick, easy installation and secure grip in various materials.
• 82° countersink angle and flat head design enables flush mounting, minimizing protrusion for a clean, professional finish.
• Phillips No. 3 drive offers efficient torque application, reducing slippage and tool damage during assembly.
• Full threading along the 2 1/2" length ensures maximum holding power and versatility in adjustment.

Professional Applications & Engineering Value

Engineered for precision and reliability, these 1/4"-20 UNC brass flat head screws address common industrial challenges such as corrosion and mechanical stress. The brass material inherently resists rust and degradation, making them ideal for marine, electrical, and plumbing applications where moisture is a concern. With a coarse UNC thread and Class 2A fit, they provide secure fastening in wood, plastic, and soft metals, reducing the risk of stripping. The flat head with an 82° countersink ensures a smooth surface finish, critical in assemblies requiring aerodynamic or aesthetic considerations. Paired with 50,000 psi tensile strength, these screws deliver consistent performance in heavy-duty settings, from machinery to construction, enhancing operational safety and reducing maintenance costs.

Specification Summary & Compliance

This screw features precise dimensions, including a 1/4"-20 UNC thread size with Class 2A thread fit for standard tolerance and easy assembly. It complies with ASME B18.6.3 specifications for dimensional accuracy and performance. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global industrial and commercial use.