S-92480A541 1/4"-20 x 3/4" ASME B18.6.3 Brass Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to brass construction, ensuring long-term reliability in harsh environments
• Excellent tensile strength of 50,000 psi provides secure fastening for demanding industrial applications
• Rockwell B50 hardness maintains structural integrity under mechanical stress and vibration
• Fully threaded UNC coarse design delivers faster installation and superior holding power
• Standard 82° countersink angle enables flush mounting for clean, professional finishes
• Class 2A thread fit ensures consistent, reliable engagement with mating components
• Phillips No. 3 drive offers efficient torque transfer and reduced cam-out during installation

Professional Applications & Engineering Value

These brass flat head screws with 1/4"-20 UNC coarse threading solve critical engineering challenges in corrosive environments where steel fasteners would fail. The combination of 50,000 psi tensile strength and Rockwell B50 hardness ensures reliable performance in vibration-prone assemblies, while the 82° countersink angle provides seamless integration in precision applications. The fully threaded design maximizes engagement depth, making these Phillips drive screws ideal for electrical enclosures, marine hardware, and plumbing systems where corrosion resistance and structural integrity are paramount. The Class 2A thread fit guarantees consistent performance in high-volume manufacturing environments.

Specification Summary & Compliance

Manufactured to ASME B18.6.3 specifications with Class 2A thread fit tolerance for precise engagement. Features 1/4"-20 UNC coarse threads with right-hand orientation and standard flat head profile. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial applications.