S-91772A902 3-48 x 7/16" ASME B18.6.3 Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments
• Exceptional tensile strength of 70,000 psi ensures reliable performance under high-stress applications
• Precise Class 2A thread fit guarantees smooth installation and secure fastening in UNC coarse threaded holes
• Optimized Phillips No. 1 drive provides excellent torque transmission and reduces cam-out during installation
• Fully threaded design delivers maximum grip length and uniform load distribution across the entire fastener
• Rockwell B70 hardness maintains structural integrity and prevents deformation during repeated use
• Comprehensive regulatory compliance meets ASME B18.6.3, RoHS 3, and REACH standards for global acceptance

Professional Applications & Engineering Value

These 3-48 UNC pan head Phillips screws deliver critical performance advantages in demanding industrial applications where corrosion resistance and mechanical strength are paramount. The passivated 18-8 stainless steel construction provides exceptional protection against oxidation and chemical exposure, making them ideal for electronics enclosures, machinery assemblies, and outdoor equipment. The coarse UNC thread profile ensures rapid installation and superior holding power in various materials, while the rounded pan head design offers a low-profile finish that minimizes snagging in confined spaces. With full threading and Class 2A fit, these fasteners maintain consistent clamping force across the entire 7/16" length, preventing loosening under vibration and thermal cycling conditions common in manufacturing environments.

Specification Summary & Compliance

This fastener features precision 3-48 UNC coarse threads with Class 2A fit tolerance for consistent engagement and reliable performance. Manufactured to ASME B18.6.3 specifications with complete dimensional compliance, including 0.193" head diameter and standard pan head profile. The product meets RoHS 3 (2015/863/EU) compliance for hazardous substance restrictions and REACH (EC 1907/2006) regulations regarding chemical safety, ensuring environmental responsibility and global market acceptance.