S-91773A537 1/4"-20 x 1/2" ASME B18.6.3 Stainless Steel Round Head Phillips Screws
Stainless Steel Round 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 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
- Exceptional tensile strength of 100,000 psi ensures reliable performance in demanding applications
- Optimized drive engagement with No. 3 Phillips drive for secure installation and reduced cam-out risk
- Consistent thread performance through UNC coarse threading with Class 2A fit for easy assembly and vibration resistance
- Full-threaded design provides maximum grip length and uniform load distribution across the entire fastener
- Rounded head profile offers improved aesthetics and reduced risk of snagging in assembled components
- Regulatory compliance with ASME B18.6.3, RoHS 3, and REACH standards ensures quality and environmental responsibility
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, these 18-8 stainless steel rounded head Phillips screws deliver exceptional value in machinery assembly, electrical enclosures, and structural frameworks. The combination of 100,000 psi tensile strength and Rockwell B100 hardness ensures reliable performance under sustained mechanical stress, while the passivated finish provides enhanced protection against corrosion in challenging environments. The UNC coarse thread configuration with Class 2A fit facilitates quick installation and maintains secure fastening even in high-vibration settings. These fully threaded screws with 1/4"-20 threading offer maximum engagement depth, making them ideal for applications requiring consistent clamping force across the entire fastener length.
Specification Summary & Compliance
This 1/4"-20 x 1/2" rounded head Phillips screw features precision UNC coarse threads with Class 2A thread fit for consistent dimensional accuracy. Manufactured in compliance with ASME B18.6.3 specifications, these fasteners meet rigorous industry standards for quality and performance. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring environmental responsibility and regulatory adherence for global industrial applications.
