S-90272A393 12-24 x 2 1/2" 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
- 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 under substantial mechanical loads
- Rockwell B70 hardness provides excellent wear resistance and durability
- Class 2A thread fit offers optimal assembly clearance while maintaining secure connections
- Phillips No. 3 drive system enables efficient installation with common tools
- Full threading along 2½" length allows for maximum adjustment flexibility
- Compliance with ASME B18.6.3 guarantees dimensional accuracy and interchangeability
Professional Applications & Engineering Value
These 12-24 UNC coarse thread screws deliver exceptional performance in industrial assembly applications where vibration resistance and long-term reliability are critical. The zinc-plated steel construction provides essential corrosion protection for machinery, electrical enclosures, and structural components exposed to harsh conditions. The pan head design with Phillips No. 3 drive offers a balanced profile for secure fastening without protruding excessively, while the coarse threading ensures rapid installation and superior holding power in various materials. Engineered to withstand significant mechanical stress with their 60,000 psi tensile strength, these fully threaded screws maintain joint integrity in high-vibration environments common in manufacturing equipment, automotive assemblies, and construction applications.
Specification Summary & Compliance
This 2½" pan head screw features 12-24 UNC coarse threads with Class 2A thread fit tolerance for reliable assembly performance. Manufactured in compliance with ASME B18.6.3 standards for dimensional accuracy and mechanical properties. The product meets RoHS 3 (2015/863/EU) compliance for restricted substances and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and workplace safety.
