S-90272A433 1/2"-13 x 3/4" ASME B18.6.3 Steel Pan Head Phillips Screws
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 zinc plating that protects against rust and extends service life in demanding environments
- Exceptional tensile strength rated at 60,000 psi ensures reliable performance under high-stress industrial applications
- Optimized thread engagement with UNC coarse threading and Class 2A fit provides secure fastening and reduces cross-threading risks
- Easy installation and removal with Phillips No. 4 drive design that offers familiar, efficient tool compatibility
- Full threading along the entire 3/4" length delivers maximum grip and load distribution across joined materials
- Durable material construction with Rockwell B70 hardness maintains structural integrity through repeated use
- Rounded pan head profile combines low-profile aesthetics with practical bearing surface for secure assemblies
Professional Applications & Engineering Value
Engineered for demanding industrial fastening applications, these zinc-plated steel rounded head screws address critical challenges in machinery assembly, structural frameworks, and equipment manufacturing. The combination of UNC coarse threading and Class 2A thread fit ensures rapid installation while maintaining precise tolerance control, significantly reducing assembly time in high-volume production environments. The fully threaded design along the entire 3/4" length provides uniform stress distribution, preventing joint failure in vibration-prone applications. With 60,000 psi tensile strength and Rockwell B70 hardness, these fasteners withstand extreme mechanical loads while the zinc plating offers essential corrosion protection for extended service life in harsh operating conditions.
Specification Summary & Compliance
Manufactured to exacting dimensional standards with Class 2A thread fit and UNC coarse thread specifications. These rounded head screws comply with ASME B18.6.3 manufacturing standards ensuring consistent quality and performance. The product meets stringent regulatory requirements including RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance, confirming environmental responsibility and material safety for global industrial applications.
