S-90273A163 6-32 x 3" 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 significant mechanical stress
- Class 2A thread fit provides consistent, precise engagement for smooth assembly and reduced cross-threading risks
- 82° countersink angle enables flush mounting with standard countersunk holes for clean, professional finishes
- Phillips No. 2 drive offers widespread tool compatibility and efficient installation with common industrial drivers
- Partial threading design allows optimal clamping force distribution while preventing material damage
- Comprehensive compliance with ASME B18.6.3, RoHS 3, and REACH ensures quality and environmental responsibility
Professional Applications & Engineering Value
These 6-32 UNC flat head screws deliver exceptional engineering value across industrial applications where flush mounting and high-strength fastening are critical. The zinc-plated steel construction provides essential corrosion protection for machinery, electrical enclosures, and assembly line equipment, while the Rockwell B70 hardness maintains thread integrity during repeated installations. The coarse UNC threads and Class 2A fit ensure rapid assembly in production environments, reducing installation time and improving manufacturing efficiency. Particularly valuable for applications requiring partial threading, these screws prevent over-tightening in sensitive materials while maintaining secure connections in metal fabrication, equipment manufacturing, and industrial maintenance scenarios.
Specification Summary & Compliance
Manufactured to precise inch system dimensions with Class 2A thread fit tolerance for consistent performance. These flat head screws comply with ASME B18.6.3 manufacturing specifications and feature UNC coarse threads with right-hand threading. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations ensures suitability for global industrial applications and responsible manufacturing practices.
