S-91771A209 8-32 x 3" 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 for extended service life in harsh environments
- High tensile strength of 80,000 psi ensures reliable performance under heavy loads and vibration
- Precise Class 2A thread fit provides smooth installation and consistent clamping force in UNC coarse thread applications
- 82° countersink angle with standard flat head profile enables flush mounting for clean, professional finishes
- Partially threaded design offers optimal grip length control while maintaining full thread engagement
- No. 2 Phillips drive delivers secure tool engagement and reduced cam-out during installation
- Full regulatory compliance with ASME B18.6.3, RoHS 3, and REACH standards for global industrial acceptance
Professional Applications & Engineering Value
These 8-32 UNC flat head screws deliver exceptional engineering value through their passivated 18-8 stainless steel construction and precision manufacturing. The combination of 80,000 psi tensile strength and Rockwell B80 hardness provides reliable performance in demanding applications where corrosion resistance and mechanical integrity are critical. The partially threaded design with coarse UNC threads ensures rapid installation and secure fastening in metal assemblies, electrical enclosures, and machinery components. The 82° countersink angle allows for seamless flush mounting in precision applications, while the Phillips drive offers familiar, efficient installation across industrial maintenance and manufacturing environments.
Specification Summary & Compliance
Manufactured to exacting ASME B18.6.3 specifications with Class 2A thread fit tolerance for consistent performance. Features 8-32 UNC coarse threads with right-hand threading and 1½" minimum thread length. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in global industrial markets.
