S-91771A057 0-80 x 3/8" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws
Stainless Steel Phillips Flat Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments
- Exceptional tensile strength rated at 80,000 psi for reliable performance in high-stress applications
- Precise thread engagement with Class 2A UNF fine threads ensuring secure fastening and vibration resistance
- Optimized flush mounting featuring standard 82° countersink angle for seamless surface integration
- Enhanced durability with Rockwell B80 hardness maintaining structural integrity under repeated use
- Full-threaded design providing maximum grip length and load distribution across the entire fastener
- Regulatory compliance meeting ASME B18.6.3 specifications and environmental standards (RoHS 3/REACH)
Professional Applications & Engineering Value
These 0-80 UNF flat head Phillips machine screws deliver critical performance advantages in precision engineering applications where space constraints and material compatibility are paramount. The passivated 18-8 stainless steel construction provides exceptional resistance to oxidation and chemical exposure, making them ideal for electronics enclosures, medical devices, and marine components. The UNF fine threading with Class 2A fit ensures superior vibration resistance in dynamic assemblies, while the 82° countersink angle enables flush mounting in thin materials without compromising structural integrity. The combination of 80,000 psi tensile strength and fully threaded design creates reliable fastening solutions for high-stress industrial equipment where fastener failure is not an option.
Specification Summary & Compliance
Manufactured to exacting standards with Class 2A thread fit precision and UNF (Unified National Fine) thread form specifications. Complies with ASME B18.6.3 dimensional requirements and maintains full regulatory compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental directives. The 0-80 thread size with 3/8" length and No. 0 Phillips drive ensures consistent performance across industrial fastener applications.
