S-90471A210 6-32 x 5/16" ASME B18.6.3 Steel Phillips Flat Head Screws
Steel Phillips Flat Head 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
- High tensile strength of 60,000 psi ensures reliable fastening performance under substantial mechanical stress
- Rockwell B70 hardness rating provides excellent durability and resistance to wear during installation and use
- Class 2A thread fit offers optimal assembly clearance while maintaining secure fastening integrity
- 100° countersink angle enables flush mounting for clean, professional finishes in various applications
- Fully threaded design maximizes grip length and provides consistent holding power along the entire fastener
- Phillips drive with No. 2 size ensures efficient installation with standard tools while minimizing cam-out risks
Professional Applications & Engineering Value
These 6-32 UNC flat head screws deliver exceptional engineering value through their zinc-plated steel construction and precision manufacturing. The combination of 60,000 psi tensile strength and Rockwell B70 hardness addresses critical industrial requirements for fasteners that withstand vibration, mechanical stress, and environmental exposure. The coarse thread configuration with Class 2A fit provides excellent engagement in various materials while accommodating minor misalignments during assembly. The 100° countersink angle ensures seamless integration into components requiring flush surfaces, making these Phillips drive screws ideal for electronics enclosures, machinery panels, and automotive assemblies where both structural integrity and aesthetic finish matter.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit tolerance and UNC thread form specifications. These 5/16" length screws comply with ASME B18.6.3 manufacturing standards and demonstrate regulatory compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental directives, ensuring they meet current industry requirements for hazardous substance restrictions and chemical safety.
