S-90272A119 4-40 x 1 1/2" ASME B18.6.3 Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in demanding industrial environments
• High mechanical strength with 60000 psi tensile strength and Rockwell B70 hardness for reliable performance under load
• Secure fastening with Class 2A thread fit ensuring proper engagement and vibration resistance
• Efficient installation with Phillips No. 1 drive providing positive torque transfer and reduced cam-out
• Versatile compatibility with 4-40 UNC coarse threads meeting standard industrial requirements
• Full-length threading for maximum grip and holding power across the entire fastener length
• Regulatory compliance meeting ASME B18.6.3 standards and environmental regulations for global applications

Professional Applications & Engineering Value

These zinc-plated steel rounded head screws deliver exceptional value in industrial settings where corrosion resistance and mechanical reliability are paramount. The 4-40 UNC coarse thread configuration provides excellent engagement in various materials, while the pan head design with Phillips drive offers low-profile fastening with efficient installation. Engineered with 60000 psi tensile strength and Rockwell B70 hardness, these screws withstand vibration and mechanical stress in assembly applications, electronic enclosures, machinery components, and equipment manufacturing. The combination of Class 2A thread fit and full threading ensures consistent clamping force and prevents loosening in dynamic environments.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2A thread fit tolerances and UNC coarse thread specifications. These 1-1/2" length screws comply with ASME B18.6.3 manufacturing standards and meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring quality and environmental responsibility in industrial applications.