S-90272A050 1-72 x 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
- High tensile strength of 60,000 psi ensures reliable fastening under significant mechanical stress
- Precision Class 2A thread fit provides consistent engagement and reduces cross-threading risks
- Fine UNF threading delivers enhanced vibration resistance and superior holding power
- Fully threaded design maximizes grip length and load distribution across applications
- Rockwell B70 hardness maintains thread integrity and prevents stripping during installation
- Phillips drive with pan head profile enables efficient installation while maintaining low-profile clearance
Professional Applications & Engineering Value
These 1-72 UNF fine thread screws with zinc-plated steel construction address critical industrial fastening challenges where corrosion resistance and vibration management are paramount. The combination of Class 2A thread fit and fully threaded design ensures precise alignment and maximum thread engagement in thin materials and tight-tolerance assemblies. The rounded pan head with Phillips drive provides both aesthetic appeal and practical installation efficiency, making these fasteners ideal for electronics enclosures, precision instruments, and machinery components where reliable, repeatable fastening is essential. The fine thread configuration specifically counters loosening from constant vibration in automotive, aerospace, and industrial equipment applications.
Specification Summary & Compliance
Manufactured to exacting dimensional standards with Class 2A thread fit tolerance and UNF thread form specifications. These screws comply with ASME B18.6.3 mechanical and dimensional requirements, ensuring interchangeability and reliability across industrial applications. The product meets RoHS 3 (2015/863/EU) compliance for hazardous substance restrictions and REACH (EC 1907/2006) regulations for chemical safety, providing assurance for global supply chain integration and environmental responsibility.
