S-92224A234 1/4"-20 x 3" 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 black oxide steel finish, ideal for harsh industrial environments
- Superior holding power from fully threaded UNC coarse spacing, ensuring reliable fastening in various materials
- High tensile strength of 60,000 psi and Rockwell B70 hardness for maximum durability under heavy loads
- Effortless installation with No. 3 Phillips drive and rounded pan head design, reducing assembly time
- Precise thread fit (Class 2A) for consistent performance and reduced risk of cross-threading
- Broad industrial compliance meeting ASME B18.6.3, RoHS 3, and REACH standards for global applications
- Versatile 3" length providing ample engagement for thick materials and structural assemblies
Professional Applications & Engineering Value
These black oxide steel Phillips pan head screws deliver critical reliability in demanding industrial applications such as machinery assembly, construction frameworks, and automotive components. The UNC coarse thread design ensures rapid installation and superior resistance to vibration loosening, addressing common failure points in dynamic environments. With a fully threaded shank and Class 2A thread fit, they maintain consistent clamping force across varied material thicknesses, while the rounded head profile minimizes surface damage and provides a finished appearance. Engineered for heavy-duty performance, these screws withstand repetitive stress and corrosive conditions, making them indispensable for maintenance, manufacturing, and equipment repair where long-term fastening integrity is paramount.
Specification Summary & Compliance
This screw features precise inch system dimensions including 1/4"-20 UNC thread with Class 2A tolerance for consistent fit. Manufacturing adheres to ASME B18.6.3 specifications, ensuring dimensional accuracy and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and material restrictions adherence for global industrial use.
