S-92224A228 1/4"-20 x 1 1/2" 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
- Enhanced corrosion resistance from black oxide steel coating for extended service life in demanding environments
- Superior fastening reliability with 60,000 psi tensile strength and Rockwell B70 hardness for heavy-duty applications
- Quick installation efficiency through Phillips No. 3 drive and UNC coarse threading that reduces cross-threading risks
- Consistent thread engagement with Class 2A thread fit ensuring precise mating with standard nuts and components
- Maximum grip length utilization via fully threaded design that distributes clamping force across the entire 1-1/2" length
- Broad compatibility with standard 1/4"-20 components and pan head profile for flush-to-surface mounting requirements
- Regulatory compliance assurance meeting ASME B18.6.3 manufacturing standards and environmental regulations (RoHS 3, REACH)
Professional Applications & Engineering Value
Engineered for industrial machinery, equipment assembly, and metal fabrication, these black oxide steel Phillips pan head screws address critical fastening challenges where vibration resistance and environmental durability are paramount. The UNC coarse threading provides rapid installation in steel frameworks and aluminum components, while the Class 2A thread fit maintains consistent clamping force under dynamic loads. The rounded pan head design with Phillips drive offers secure tool engagement without protruding edges, making these fully threaded screws ideal for electrical enclosures, automotive subsystems, and production line equipment where corrosion protection and 60,000 psi tensile strength ensure long-term fastener integrity.
Specification Summary & Compliance
Manufactured to ASME B18.6.3 specifications with Class 2A thread fit tolerance for consistent mating with standard components. The 1/4"-20 UNC coarse thread maintains dimensional accuracy across the 1-1/2" fully threaded length. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in regulated industries while meeting 60,000 psi tensile strength and Rockwell B70 hardness requirements for industrial-grade performance.
