S-94070A540 1/4"-20 x 3/4" ASME B18.6.3 Brass Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with brass construction, ideal for harsh industrial environments and electrical applications
• Excellent torque transmission and reduced cam-out with the Phillips No. 3 drive style for efficient and secure installation
• High mechanical strength and durability provided by 50,000 psi tensile strength and Rockwell B40 hardness for reliable, long-term performance
• Easy and quick installation with UNC coarse threading, ensuring faster assembly in a wide range of materials
• Precise and reliable thread engagement with Class 2A thread fit, minimizing the risk of cross-threading and ensuring consistent fastening
• Versatile pan head design offers a low-profile, rounded head that sits flush for a clean finish and broad surface contact
• Compliance with global safety and environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industries

Professional Applications & Engineering Value

This brass Phillips pan head machine screw is engineered to address common challenges in electrical, marine, and plumbing systems where corrosion resistance and non-magnetic properties are critical. The UNC coarse thread and fully threaded design provide superior holding power in soft materials and prevent loosening under vibration, a common industrial pain point. The combination of 50,000 psi tensile strength and Rockwell B40 hardness ensures the screw maintains integrity under stress, making it a reliable choice for assembly lines, machinery, and equipment requiring repeated disassembly. Its Phillips No. 3 drive allows for efficient installation with standard tools, reducing assembly time and improving productivity in high-volume B2B operations.

Specification Summary & Compliance

This screw features a 1/4"-20 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy and reliable performance. It is manufactured in compliance with ASME B18.6.3 specifications, ensuring consistency and interchangeability. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental and safety regulations for industrial use.