S-91771A054 0-80 x 3/16" 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 mechanical strength delivering 80,000 psi tensile strength and Rockwell B80 hardness for reliable load-bearing performance
- Precision flush installation enabled by standard 82° countersink angle and flat head design for seamless surface finishing
- Optimized drive engagement through Phillips No. 0 drive style, reducing cam-out risks during installation
- Consistent threading performance with UNF fine threads and Class 2A fit ensuring secure fastening in precision applications
- Full-threaded design providing maximum grip length and superior holding power across the entire fastener
- Regulatory compliance assurance meeting ASME B18.6.3 specifications and environmental standards including RoHS 3 and REACH
Professional Applications & Engineering Value
These 0-80 UNF flat head machine screws deliver critical engineering solutions where flush surface mounting and corrosion resistance are paramount. The passivated 18-8 stainless steel construction provides exceptional protection against oxidation and chemical exposure in demanding environments such as electronic enclosures, precision instruments, and aerospace assemblies. The UNF fine threading offers superior vibration resistance compared to coarse threads, while the Class 2A thread fit ensures consistent engagement without binding. The combination of 80,000 psi tensile strength and fully threaded design creates reliable fastening in thin materials and confined spaces where failure is not an option.
Specification Summary & Compliance
This 3/16" flat head Phillips machine screw features precision Class 2A thread fit with UNF fine threading (0-80) and right-hand thread direction. Manufacturing complies with ASME B18.6.3 specifications for dimensional accuracy and performance. The fastener meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and material safety for global industrial applications.
