S-91771A920 0-80 x 9/32" 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 environments
- Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B80 hardness for reliable load-bearing performance
- Precise thread engagement with Class 2A fit and UNF fine threads ensuring secure, vibration-resistant connections
- Optimal flush mounting featuring a standard flat head profile with 100° countersink angle for seamless surface integration
- Enhanced driving efficiency with Phillips No. 0 drive providing secure tool engagement and reduced cam-out risk
- Full thread coverage along the entire 9/32" length for maximum grip and holding power in thin materials
- Regulatory compliance assurance meeting ASME B18.6.3 specifications while being RoHS 3 and REACH compliant
Professional Applications & Engineering Value
Engineered for precision industrial applications, these 0-80 UNF flat head screws solve critical fastening challenges in electronics, aerospace, and medical equipment assembly. The passivated 18-8 stainless steel construction provides exceptional corrosion resistance, eliminating failure points in humid or chemically aggressive environments. The combination of 80,000 psi tensile strength and Class 2A thread fit ensures reliable performance in vibration-prone applications, while the 100° countersink angle and flat head design create flush surfaces essential for aerodynamic components and precision instruments. These fully threaded machine screws with fine UNF threading deliver superior holding power in thin-section materials, making them ideal for compact assemblies where space optimization and structural integrity are paramount.
Specification Summary & Compliance
Manufactured to ASME B18.6.3 standards with Class 2A thread fit precision and UNF 0-80 fine threads. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Features include 9/32" length, fully threaded design, 100° countersink angle, and Rockwell B80 hardness for consistent performance across industrial applications.
