S-91772A063 1-72 x 1/8" 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
• Enhanced thread engagement through fine UNF threading and Class 2A fit, ensuring secure fastening in precision applications
• High mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing performance
• Optimized drive efficiency featuring Phillips No. 0 drive style for easy installation with standard tools
• Consistent dimensional accuracy with fully threaded right-hand design meeting ASME B18.6.3 manufacturing standards
• Environmental compliance assurance with RoHS 3 and REACH compliance for global regulatory acceptance
• Versatile pan head design providing excellent bearing surface and streamlined profile for various assembly requirements

Professional Applications & Engineering Value

These 1-72 UNF fine thread pan head 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 these fasteners ideal for electronics enclosures, medical devices, marine equipment, and food processing machinery. The fine thread configuration offers superior resistance to vibration loosening compared to coarse threads, while the Class 2A thread fit ensures consistent engagement in tapped holes. The combination of 70,000 psi tensile strength and fully threaded design enables uniform stress distribution across the entire fastener length, preventing premature failure in high-stress applications. These rounded head screws with Phillips drive facilitate quick installation in confined spaces while maintaining a low-profile appearance.

Specification Summary & Compliance

Manufactured to exacting ASME B18.6.3 standards with Class 2A thread fit tolerance for precision applications. The UNF fine thread (1-72) configuration provides 72 threads per inch with 0.073" major diameter. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Features fully threaded right-hand design with pan head profile (0.142" diameter, 0.053" height) and Phillips No. 0 drive compatibility.