S-91735A275 1-72 x 1/8" ASME B18.6.3 Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance in harsh environments thanks to 316 stainless steel construction with passivated surface treatment
• Superior mechanical strength with 80,000 psi tensile strength and Rockwell B85 hardness for reliable performance under stress
• Precision thread engagement with Class 2A fit and UNF fine pitch design ensuring secure, vibration-resistant fastening
• Optimized drive performance through Phillips No. 0 drive system providing efficient installation with standard tools
• Full-threaded design offering maximum grip length and uniform load distribution across the entire fastener
• Rounded pan head profile delivering low-profile appearance with excellent bearing surface for secure seating
• Regulatory compliance assurance meeting ASME B18.6.3 specifications and environmental standards including RoHS 3 and REACH

Professional Applications & Engineering Value

These 1-72 UNF rounded head Phillips screws in 316 stainless steel with passivated finish provide critical corrosion protection in demanding industrial environments where exposure to chemicals, moisture, or salt spray is common. The fine thread configuration ensures superior vibration resistance in precision equipment, electronic enclosures, and marine applications. The combination of 80,000 psi tensile strength and Rockwell B85 hardness delivers reliable performance in assemblies requiring repeated disassembly and reassembly. The fully threaded design maximizes engagement in thin materials while the rounded pan head offers a clean, low-profile appearance ideal for consumer products and visible applications where aesthetics matter.

Specification Summary & Compliance

This 1-72 UNF machine screw features precision Class 2A thread fit with right-hand threading and fine pitch spacing. Manufactured to ASME B18.6.3 specifications, the fastener maintains dimensional accuracy throughout production. The product is fully compliant with RoHS 3 (2015/863/EU) regulations and REACH (EC 1907/2006) requirements, ensuring environmental responsibility and workplace safety. With complete traceability and quality assurance, these screws meet the stringent demands of industrial fastener applications requiring documented compliance.