S-90272A411 1/4"-28 x 1 3/4" 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, extending service life in harsh industrial environments
- High-load capacity with 60,000 psi tensile strength and Rockwell B70 hardness for demanding mechanical applications
- Precise thread engagement with Class 2A UNF fine threads ensuring reliable fastening and vibration resistance
- Optimized drive efficiency through No. 3 Phillips drive design, reducing installation time and tool slippage
- Full-threaded design providing maximum grip length and uniform stress distribution across the entire fastener
- Standard-compliant reliability meeting ASME B18.6.3 specifications for consistent dimensional accuracy and performance
- Environmental compliance with RoHS 3 and REACH regulations, ensuring safe use in regulated industries
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these zinc-plated steel rounded head Phillips screws deliver exceptional performance in machinery assembly, electrical enclosures, and automotive components. The UNF fine thread configuration maintains secure fastening under vibration, while the fully threaded design ensures maximum engagement in varied material thicknesses. The pan head profile with No. 3 Phillips drive provides reliable torque transmission without cam-out, reducing installation errors and maintenance requirements. With 60,000 psi tensile strength and corrosion-resistant plating, these industrial screws solve critical challenges in environments requiring both mechanical durability and regulatory compliance.
Specification Summary & Compliance
This 1/4"-28 x 1 3/4" screw features Class 2A thread fit per UNF standards with precise dimensional control. Manufacturing complies with ASME B18.6.3 specifications for rounded head machine screws. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring compliance for international industrial applications.
