S-90272A550 1/4"-20 x 2" 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
- Exceptional corrosion resistance with zinc-plated steel construction for long-lasting performance in harsh industrial environments
- Superior holding power with 60,000 psi tensile strength and Rockwell B70 hardness for demanding applications
- Quick installation and removal with No. 3 Phillips drive and standard pan head design
- Reliable thread engagement with fully threaded UNC coarse threads and Class 2A fit for secure fastening
- Broad compatibility with standard 1/4"-20 threaded components across various industries
- Regulatory compliance assurance meeting ASME B18.6.3 standards and environmental regulations
- Optimized load distribution with rounded pan head design that minimizes surface damage during tightening
Professional Applications & Engineering Value
This zinc-plated steel Phillips pan head screw delivers exceptional engineering value for industrial assembly applications where corrosion resistance and high tensile strength are critical. The combination of UNC coarse threading and Class 2A thread fit ensures rapid installation while maintaining precise tolerances for vibration-resistant connections. The rounded pan head profile with No. 3 Phillips drive provides excellent torque transmission without damaging surrounding materials, making it ideal for metal fabrication, machinery assembly, and electrical enclosures. With full threading along the 2-inch length, this fastener maintains consistent clamping force across the entire engagement area, solving common issues of loosening under dynamic loads in industrial environments.
Specification Summary & Compliance
This 1/4-20 x 2" pan head screw features precise Class 2A thread fit with UNC coarse threads manufactured to exacting standards. The product complies with ASME B18.6.3 specifications for dimensional accuracy and performance requirements. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring safe use across various industrial sectors. The zinc-plated steel construction meets the specified 60,000 psi tensile strength and Rockwell B70 hardness ratings for reliable mechanical performance.
