S-91781A057 0-80 x 3/8" ASME B18.6.3 Stainless Steel Slotted Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to 18-8 stainless steel construction and passivated finish, ensuring long-term reliability in harsh environments
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B80 hardness for reliable performance under high-stress conditions
• Precise thread engagement with Class 2A thread fit and fine UNF threading, providing secure fastening in precision assemblies
• Optimal flush mounting featuring a standard flat head profile with 82° countersink angle for seamless surface integration
• Enhanced installation control through slotted drive design, allowing for straightforward manual assembly
• Full thread coverage along the entire 3/8" length, maximizing grip strength in various material thicknesses
• Regulatory compliance assurance meeting ASME B18.6.3 specifications and environmental standards including RoHS 3 and REACH

Professional Applications & Engineering Value

Engineered for precision industrial applications, these 0-80 UNF flat head slotted screws solve critical fastening challenges in electronics, aerospace, and medical equipment assembly. The combination of 18-8 stainless steel material and passivated finish provides exceptional resistance to corrosion and chemical exposure, while the fine thread spacing and Class 2A thread fit ensure vibration-resistant connections in delicate components. The 82° countersink angle and flat head design enable flush mounting in confined spaces, eliminating protrusions that could interfere with moving parts or aesthetic requirements. These fully threaded screws maintain consistent 80,000 psi tensile strength throughout their length, delivering reliable performance in high-vibration environments where fastener integrity is paramount.

Specification Summary & Compliance

This 0-80 UNF flat head slotted screw maintains precise Class 2A thread fit tolerances with right-hand thread direction and fine thread spacing. Manufacturing complies with ASME B18.6.3 specifications for dimensional accuracy and performance standards. The product meets RoHS 3 (2015/863/EU) compliance for restricted hazardous substances and REACH (EC 1907/2006) regulations for chemical safety, ensuring environmental responsibility in industrial applications.