S-91735A190 8-32 x 1/4" ASME B18.6.3 Stainless Steel Pan Head Phillips Screws
Stainless Steel Pan Head Phillips 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 316 stainless steel construction and passivated finish, ideal for harsh chemical and marine environments
- Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B85 hardness for reliable load-bearing performance
- Precision thread engagement with Class 2A fit and UNC coarse threads ensuring vibration-resistant fastening in industrial applications
- Optimized drive efficiency through Phillips No. 2 drive design providing secure torque transmission and reduced cam-out risk
- Full-threaded design maximizing grip length and distribution of clamping force across the entire fastener length
- Regulatory compliance assurance meeting ASME B18.6.3 manufacturing standards and international RoHS 3/REACH environmental directives
- Versatile rounded pan head profile offering low-profile installation with standard tool clearance for confined spaces
Professional Applications & Engineering Value
Engineered to address corrosion and mechanical failure in demanding installations, these 316 stainless steel rounded head screws deliver critical performance where standard fasteners deteriorate. The passivated surface treatment creates an enhanced oxide layer that resists chlorides and acidic exposure, making them ideal for chemical processing equipment, marine hardware, and food-grade machinery. With UNC coarse threading and Class 2A tolerance, they maintain secure connections in high-vibration environments while the fully threaded design ensures maximum engagement in both thin and thick materials. The Phillips drive system provides reliable torque transfer during automated or manual assembly, reducing installation time and improving production efficiency.
Specification Summary & Compliance
This fastener maintains Class 2A thread fit per Unified Thread Standard specifications with 8-32 UNC coarse threading and dimensional compliance with ASME B18.6.3 manufacturing requirements. Environmental compliance is verified through RoHS 3 (2015/863/EU) restriction adherence and REACH (EC 1907/2006) substance regulation conformity, ensuring suitability for global industrial supply chains.
