S-90272A328 5-40 x 3/16" 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
• Exceptional mechanical strength with 60,000 psi tensile strength and Rockwell B70 hardness for reliable performance under high stress
• Optimized drive efficiency through Phillips No. 2 drive design, ensuring secure installation and reduced cam-out risks
• Enhanced thread engagement with fully threaded 5-40 UNC coarse pattern, providing superior holding power in various materials
• Precision dimensional control with Class 2A thread fit, guaranteeing consistent performance and interchangeability
• Broad compatibility with standard 0.245" pan head profile, facilitating easy integration into existing assembly systems
• Regulatory confidence through full compliance with ASME B18.6.3, RoHS 3, and REACH standards

Professional Applications & Engineering Value

These zinc-plated steel rounded head screws deliver critical performance advantages in industrial fastening applications where corrosion resistance and mechanical reliability are paramount. The 5-40 UNC coarse thread configuration ensures rapid installation and superior pull-out resistance in metal assemblies, electrical enclosures, and machinery components. Engineered with Rockwell B70 hardness and 60,000 psi tensile strength, these fully threaded screws maintain structural integrity under vibration and dynamic loads. The Phillips No. 2 drive system provides efficient torque transfer while the pan head design offers optimal clamping force distribution. Ideal for manufacturing, automotive, and electronic assembly applications requiring ASME B18.6.3 compliant fasteners with environmental regulation adherence.

Specification Summary & Compliance

These rounded head screws feature precise Class 2A thread fit with 5-40 UNC coarse threading and right-hand thread direction. Manufacturing specifications strictly adhere to ASME B18.6.3 standards for dimensional accuracy and performance. The products are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across global industrial markets. All dimensional parameters including 3/16" length, 0.245" head diameter, and 0.125" thread diameter maintain consistent tolerances for reliable interchangeability.