S-91772A092 3-48 x 1/4" 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 mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing performance
• Precision thread engagement through Class 2A UNC coarse threads ensuring secure fastening and vibration resistance
• Optimized drive efficiency with No. 1 Phillips head design for easy installation and reduced tool slippage
• Full-threaded design providing maximum grip length and uniform stress distribution across applications
• Regulatory compliance assurance meeting ASME B18.6.3 specifications and environmental standards (RoHS 3, REACH)
• Versatile pan head profile offering low-profile seating and enhanced clamping force distribution

Professional Applications & Engineering Value

These 3-48 UNC pan head Phillips screws deliver critical performance advantages in precision assembly applications where corrosion resistance and mechanical reliability are paramount. The passivated 18-8 stainless steel construction provides exceptional protection against oxidation and chemical exposure, making them ideal for electronics enclosures, instrumentation, and marine components. The coarse thread spacing and Class 2A thread fit ensure rapid installation and secure fastening in materials where fine threads might strip or fail. With fully threaded design and 70,000 psi tensile strength, these screws maintain structural integrity under dynamic loads and vibration, solving common failure points in industrial equipment and machinery assemblies while complying with stringent ASME B18.6.3 dimensional standards.

Specification Summary & Compliance

Manufactured to exact ASME B18.6.3 specifications with Class 2A thread fit tolerance for consistent engagement. Features UNC coarse threads (3-48) with 1/4" length and complete threading. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in restricted substance applications. Material certification confirms Rockwell B70 hardness and 70,000 psi tensile strength performance thresholds.