S-90279A293 12-24 x 5/8" 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 plating for extended service life in demanding industrial environments
- High tensile strength of 60,000 psi ensures reliable, heavy-duty fastening for critical applications
- Rockwell B69 hardness provides excellent durability and resistance to wear during installation and use
- Class 2A thread fit offers consistent, reliable engagement with standard UNC coarse threaded components
- Fully threaded design maximizes grip length and load distribution across the entire fastener
- Phillips No. 3 drive enables efficient installation with common tools while minimizing cam-out
- Comprehensive compliance with ASME B18.6.3, RoHS 3, and REACH ensures quality and environmental responsibility
Professional Applications & Engineering Value
These 12-24 UNC zinc-plated steel screws deliver exceptional performance in industrial settings where corrosion resistance and high tensile strength are critical. The rounded head design with Phillips drive provides secure fastening while minimizing surface protrusion, making them ideal for machinery assembly, electrical enclosures, and structural components. The coarse thread configuration ensures rapid installation and superior holding power in various materials, while the zinc-plated steel construction withstands environmental exposure without compromising mechanical integrity. These fully threaded screws maintain consistent Class 2A thread fit tolerance for reliable performance in repetitive assembly operations.
Specification Summary & Compliance
Manufactured to precise ASME B18.6.3 specifications with Class 2A thread fit tolerance for consistent performance. Features 12-24 UNC coarse threads with right-hand orientation and 5/8" length. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring safe use across industrial applications. The zinc-plated steel construction meets rigorous quality standards for corrosion protection and mechanical performance.
