S-91735A383 1/4"-20 x 1 3/4" 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 from 316 stainless steel construction, ideal for harsh environments and chemical exposure
- Enhanced durability and longevity with passivated surface treatment that provides an extra protective oxide layer
- Reliable fastening performance with Class 2A thread fit ensuring consistent engagement and reduced cross-threading risk
- High mechanical strength delivering 80,000 psi tensile strength and Rockwell B85 hardness for heavy-duty applications
- Optimized drive efficiency with No. 3 Phillips drive providing secure tool engagement and reduced cam-out
- Full-threaded design offering maximum grip length and uniform stress distribution along the entire fastener
- Regulatory compliance assurance meeting ASME B18.6.3 specifications and environmental standards including RoHS 3 and REACH
Professional Applications & Engineering Value
Engineered for demanding industrial environments, these 316 stainless steel pan head screws provide exceptional performance where corrosion resistance is critical. The passivated finish creates a protective layer that significantly extends service life in marine, chemical processing, and food equipment applications. With UNC coarse threads and Class 2A thread fit, these fully threaded fasteners ensure rapid installation and reliable clamping force in various materials. The combination of 80,000 psi tensile strength and Rockwell B85 hardness makes these industrial screws suitable for structural applications, machinery assembly, and equipment maintenance where vibration resistance and long-term reliability are essential. The pan head design with Phillips drive offers a balanced profile for both flush mounting and easy installation access.
Specification Summary & Compliance
This 1/4-20 x 1 3/4" screw features precision UNC coarse threads with Class 2A thread fit tolerance for consistent performance. Manufactured to ASME B18.6.3 specifications, ensuring dimensional accuracy and mechanical properties. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making these fasteners suitable for global industrial applications with strict material restrictions.
