S-90272A361 8-32 x 4 1/4" 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-plated steel construction for extended service life in demanding environments
- Exceptional holding power with 60,000 psi tensile strength and Rockwell B70 hardness for heavy-duty applications
- Reliable thread engagement through Class 2A thread fit and UNC coarse threading for secure fastening
- Optimized drive performance with No. 2 Phillips drive for efficient installation and reduced cam-out risk
- Versatile pan head design providing excellent bearing surface and clean aesthetic appearance
- Full thread coverage along the 4-1/4" length for maximum grip and load distribution
- Regulatory compliance assurance meeting ASME B18.6.3, RoHS 3, and REACH standards for quality and safety
Professional Applications & Engineering Value
These 8-32 UNC zinc-plated steel rounded head screws deliver exceptional engineering value across industrial applications where corrosion resistance and structural integrity are paramount. The zinc-plated steel construction provides superior protection against environmental factors, while the Rockwell B70 hardness and 60,000 psi tensile strength ensure reliable performance in heavy machinery, equipment assembly, and structural frameworks. The fully threaded design with coarse UNC threading offers maximum engagement in various materials, reducing the risk of stripping and ensuring secure fastening. The pan head profile with No. 2 Phillips drive facilitates efficient installation in confined spaces, making these industrial screws ideal for manufacturing, construction, and maintenance applications requiring durable, long-lasting fastening solutions.
Specification Summary & Compliance
These rounded head screws feature precise Class 2A thread fit with UNC coarse threading (8-32 thread size) and maintain dimensional accuracy per ASME B18.6.3 manufacturing specifications. The 4-1/4" length provides full threading coverage for optimal load distribution. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental safety and material restrictions adherence, making them suitable for global industrial applications requiring certified components.
