S-91099A268 8-32 x 3/4" 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 for reliable performance in demanding applications
- Optimized thread engagement with Class 2A fit and UNC coarse threads ensuring secure fastening and vibration resistance
- Flush mounting capability featuring 82° countersink angle and undercut flat head design for seamless surface integration
- Enhanced durability with Rockwell B80 hardness maintaining structural integrity under repeated stress
- Full-threaded design providing maximum grip length and load distribution across the entire fastener
- Regulatory compliance meeting ASME B18.6.3 standards while being RoHS 3 and REACH compliant for global applications
Professional Applications & Engineering Value
These 8-32 UNC flat head screws deliver critical engineering solutions where corrosion resistance and high tensile strength are paramount. The passivated 18-8 stainless steel construction prevents galvanic corrosion in chemical processing, marine, and food equipment applications, while the 82° countersink angle and undercut head profile ensure flush mounting without protrusion interference. The fully threaded design with Class 2A thread fit provides superior vibration resistance in machinery assembly, preventing loosening under dynamic loads. These Phillips drive screws combine manufacturing precision with material excellence to solve common industrial challenges including fastener degradation, installation efficiency, and long-term reliability in heavy-duty fastening scenarios.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit and UNC coarse threading (8-32) ensuring interchangeability and proper engagement. The 3/4" length maintains strict tolerance control per ASME B18.6.3 specifications. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations guarantees environmental safety and material transparency. The passivated surface treatment enhances corrosion protection while maintaining the mechanical properties of 18-8 stainless steel, delivering consistent performance across industrial applications.
