S-94070A128 5-40 x 1/2" ASME B18.6.3 Brass Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with brass construction for long-lasting performance in harsh environments
• Excellent electrical conductivity ideal for electronics and electrical assembly applications
• High tensile strength of 50,000 psi ensures reliable fastening under significant mechanical stress
• Rockwell B40 hardness provides optimal durability while maintaining machinability
• Phillips No. 2 drive design enables efficient installation with reduced cam-out risk
• Class 2A thread fit guarantees consistent, reliable engagement with standard nuts and threaded holes
• Fully threaded pan head design offers maximum grip length and secure fastening across the entire shank

Professional Applications & Engineering Value

These 5-40 UNC brass screws with pan head Phillips drive deliver exceptional value in electrical enclosures, instrumentation, and marine applications where corrosion resistance is critical. The coarse thread design ensures quick assembly and reliable performance in materials where fine threads might strip. The combination of 50,000 psi tensile strength and Rockwell B40 hardness provides the perfect balance between durability and machinability, preventing thread damage during installation while maintaining structural integrity. The fully threaded configuration allows for maximum adjustability and holding power across various material thicknesses, making these industrial fasteners ideal for applications requiring repeated disassembly and reassembly.

Specification Summary & Compliance

This 1/2" length screw features UNC coarse threads with Class 2A fit tolerance for consistent thread engagement. Manufactured to ASME B18.6.3 specifications ensuring dimensional accuracy and performance reliability. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making them suitable for global industrial applications requiring strict regulatory adherence.