S-92224A112 4-40 x 1/4" ASME B18.6.3 Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with black oxide coating for reliable performance in industrial environments
• Superior holding power from 60,000 psi tensile strength and Rockwell B70 hardness for demanding applications
• Quick installation with Phillips No. 1 drive and rounded pan head design for efficient assembly
• Secure fastening ensured by fully threaded 4-40 UNC coarse thread configuration
• Precise thread engagement with Class 2A thread fit for consistent performance and reduced cross-threading
• Regulatory compliance meeting ASME B18.6.3 standards, RoHS 3, and REACH for global industrial use
• Versatile application with 1/4" length suitable for various assembly requirements

Professional Applications & Engineering Value

These Black Oxide Steel Rounded Head Phillips Screws deliver exceptional engineering value in industrial fastening applications where corrosion resistance and mechanical strength are critical. The 4-40 UNC coarse threading provides excellent grip in various materials, while the fully threaded design ensures maximum engagement and pull-out resistance. The black oxide surface treatment offers superior protection against environmental factors, making these industrial screws ideal for machinery assembly, electronic enclosures, and automotive components. With Rockwell B70 hardness and 60,000 psi tensile strength, they withstand vibration and mechanical stress in demanding environments, reducing maintenance needs and improving equipment reliability.

Specification Summary & Compliance

This rounded head screw features precise Class 2A thread fit with 4-40 UNC coarse thread specifications and 1/4" length. Manufactured to ASME B18.6.3 standards for dimensional accuracy and performance reliability. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets.