S-91772A157 6-32 x 1 1/2" 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
• Excellent mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing performance
• Optimized drive engagement through Phillips No. 2 drive design, ensuring efficient installation and reduced cam-out
• Enhanced thread reliability with Class 2A UNC coarse threads providing secure fastening in various materials
• Full-threaded design maximizes grip length and distributes stress evenly across the entire fastener
• Comprehensive compliance with ASME B18.6.3 standards and environmental regulations including RoHS 3 and REACH
• Versatile pan head profile offers balanced bearing surface and clearance for diverse assembly requirements

Professional Applications & Engineering Value

This 6-32 UNC machine screw delivers exceptional engineering value in demanding industrial applications where corrosion resistance and mechanical reliability are paramount. The passivated 18-8 stainless steel construction provides superior protection against oxidation and chemical exposure, making it ideal for manufacturing equipment, electrical enclosures, and outdoor installations. The combination of coarse threading and Class 2A thread fit ensures rapid assembly and secure fastening in both metallic and non-metallic materials, while the fully threaded design maintains consistent clamping force across the entire engagement length. The pan head with Phillips No. 2 drive offers excellent torque transmission and accessibility in confined spaces, reducing installation time and improving production efficiency in automated and manual assembly processes.

Specification Summary & Compliance

This machine screw features precision 6-32 UNC coarse threads with Class 2A tolerance for consistent fit and performance. Manufactured in compliance with ASME B18.6.3 specifications, ensuring dimensional accuracy and interchangeability. The fastener meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance standards, containing no restricted substances. The right-hand threaded configuration with fully threaded design provides uniform stress distribution and reliable fastening performance across industrial applications.