S-90272A430 3/8"-16 x 4 1/2" ASME B18.6.3 Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with zinc plating for long-lasting performance in demanding industrial environments
• Superior holding power with fully threaded UNC coarse spacing, ensuring maximum grip and vibration resistance
• High tensile strength of 60,000 psi provides reliable structural integrity for heavy-duty applications
• Rockwell B70 hardness delivers excellent durability and resistance to wear and deformation
• Class 2A thread fit ensures easy installation while maintaining secure fastening with standard mating parts
• Pan head design with Phillips drive offers flush mounting and convenient installation with common tools
• Right-hand threading provides standard directional fastening for straightforward assembly processes

Professional Applications & Engineering Value

This zinc-plated steel rounded head Phillips screw delivers exceptional engineering value for industrial applications requiring reliable, high-strength fastening solutions. The combination of 60,000 psi tensile strength and Rockwell B70 hardness ensures these screws withstand substantial mechanical stress without compromising integrity. The fully threaded UNC coarse spacing provides maximum thread engagement and superior resistance to vibration loosening, making them ideal for machinery, equipment assembly, and structural applications. The zinc plating offers critical corrosion protection in environments where moisture or chemical exposure is a concern, while the pan head profile with Phillips drive ensures flush installation and easy access with standard tools. These industrial screws solve common engineering challenges by providing a balanced combination of strength, corrosion resistance, and installation efficiency.

Specification Summary & Compliance

This 3/8"-16 x 4 1/2" screw features precise Class 2A thread fit with UNC coarse thread spacing and right-hand threading direction. Manufactured to exacting standards, it complies with ASME B18.6.3 specifications for dimensional accuracy and performance requirements. The product meets RoHS 3 (2015/863/EU) compliance for restricted hazardous substances and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and workplace safety standards are maintained.