S-90279A843 3/8"-16 x 2" ASME B18.6.3 Steel Round Head Phillips Screws
Steel Round 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 for extended service life in demanding environments
- Exceptional holding power from 60,000 psi tensile strength and Rockwell B69 hardness for reliable fastening under heavy loads
- Quick installation and removal with standard Phillips No. 4 drive and rounded head design
- Optimized thread engagement through fully threaded UNC coarse pattern for maximum grip in various materials
- Precise fit and interchangeability guaranteed by Class 2A thread fit and ASME B18.6.3 compliance
- Right-hand threading provides familiar, standardized installation for operational efficiency
- Regulatory compliance assurance meeting RoHS 3 and REACH environmental standards for global applications
Professional Applications & Engineering Value
These zinc-plated steel rounded head screws deliver critical performance where vibration resistance and structural integrity matter most. The fully threaded UNC coarse pattern prevents loosening in dynamic applications while providing superior pull-out resistance in metal, wood, and composite assemblies. The Rockwell B69 hardness rating ensures consistent performance without stripping or deformation during repeated installations. Ideal for industrial machinery, structural frameworks, and heavy equipment maintenance, these Phillips drive screws combine the corrosion protection of zinc plating with the reliability of ASME B18.6.3 standards for engineers requiring predictable, long-term fastening solutions in challenging environments.
Specification Summary & Compliance
Manufactured to exacting dimensional standards with Class 2A thread fit and UNC coarse threading (3/8"-16) ensuring precise interchangeability. Full compliance with ASME B18.6.3 manufacturing specifications, RoHS 3 (2015/863/EU) hazardous substance restrictions, and REACH (EC 1907/2006) chemical safety regulations. The 2" length and 0.375" thread diameter maintain consistent tolerances across production batches for reliable engineering applications.
