S-92224A249 5/16"-18 x 2 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
- Superior corrosion resistance with black oxide coating for extended service life in demanding industrial environments
- High tensile strength of 60,000 psi ensures reliable performance under significant mechanical stress
- Rockwell B70 hardness provides excellent durability and resistance to wear during installation and use
- Class 2A thread fit offers optimal assembly efficiency while maintaining secure fastening
- No. 4 Phillips drive enables quick installation with standard tools, reducing assembly time
- Fully threaded design maximizes grip strength and load distribution across the entire fastener length
- Compliance with ASME B18.6.3 guarantees consistent quality and dimensional accuracy for engineering applications
Professional Applications & Engineering Value
These black oxide steel pan head Phillips screws deliver exceptional performance in industrial settings where corrosion resistance and high tensile strength are critical. The 5/16"-18 UNC coarse thread configuration provides rapid installation and superior holding power in various materials, while the rounded pan head design offers a low-profile finish that reduces snagging hazards. Engineered to withstand vibration and mechanical stress, these fully threaded screws maintain their integrity in demanding applications including machinery assembly, structural frameworks, and equipment manufacturing. The combination of Rockwell B70 hardness and 60,000 psi tensile strength ensures these fasteners won't strip or fail under load, providing reliable long-term fastening solutions for industrial professionals.
Specification Summary & Compliance
This 2 1/2" pan head screw features precise Class 2A thread fit tolerances and UNC coarse threading manufactured to ASME B18.6.3 specifications. The fastener meets stringent regulatory requirements including RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance, ensuring environmental responsibility and workplace safety. With right-hand thread direction and standardized dimensions, these screws provide consistent performance and interchangeability in industrial fastening systems.
