S-91771A040 0-80 x 7/32" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with passivated 18-8 stainless steel construction for extended service life in demanding environments
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B80 hardness to withstand high-stress applications
• Precision thread engagement through Class 2A thread fit and UNF fine threading ensures reliable, vibration-resistant fastening
• Optimized flush mounting with standard 82° countersink angle and flat head design for seamless surface integration
• Enhanced drive stability with Phillips No. 0 drive style providing secure torque transmission during installation
• Full-thread coverage across the 7/32" length maximizes grip strength and load distribution
• Regulatory compliance assurance meeting ASME B18.6.3 specifications for consistent quality and performance

Professional Applications & Engineering Value

Engineered for precision industrial applications, these 0-80 UNF flat head screws address critical fastening challenges in machinery, electronics, and equipment assembly. The passivated 18-8 stainless steel provides excellent resistance to oxidation and chemical exposure, while the fully threaded design with fine thread spacing ensures maximum thread engagement in thin materials. The Phillips No. 0 drive facilitates controlled installation with standard tools, and the 82° countersink angle creates a flush finish that prevents snagging in moving components. These machine screws deliver reliable performance in applications requiring both high-strength fastening and corrosion protection.

Specification Summary & Compliance

Manufactured to ASME B18.6.3 standards with Class 2A thread fit tolerance for precision assembly. Features UNF thread type with 0-80 thread size and right-hand thread direction. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in regulated industries.