S-90272A429 3/8"-16 x 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
- Exceptional corrosion resistance with zinc-plated steel construction, ensuring long-term reliability in harsh industrial environments
- Superior load-bearing capacity with 60,000 psi tensile strength and Rockwell B70 hardness for demanding applications
- Optimized driving efficiency through Phillips No. 4 drive design, preventing cam-out and enabling secure installation
- Enhanced thread engagement with fully threaded UNC coarse pattern, providing maximum holding power in various materials
- Precise mechanical compatibility with Class 2A thread fit, ensuring consistent performance and interchangeability
- Broad regulatory compliance meeting ASME B18.6.3, RoHS 3, and REACH standards for global industrial acceptance
- Versatile rounded pan head design offering low-profile installation with improved aesthetic finish
Professional Applications & Engineering Value
These zinc-plated steel rounded head screws deliver critical engineering solutions for industrial assembly challenges. The 3/8"-16 UNC coarse thread configuration combined with full threading ensures rapid installation and exceptional pull-out resistance in metal framing, machinery guards, and structural components. The Rockwell B70 hardness and 60,000 psi tensile strength provide reliable performance under vibration and dynamic loads, while the zinc plating protects against corrosion in manufacturing facilities and outdoor applications. The Phillips drive with No. 4 size offers familiar, efficient fastening for maintenance crews and production lines alike.
Specification Summary & Compliance
Manufactured to ASME B18.6.3 specifications with Class 2A thread fit tolerance for precise mechanical assembly. The 3/8"-16 UNC coarse thread maintains standard industrial compatibility while the 4" length provides substantial engagement depth. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental responsibility and global market acceptance for industrial procurement.
