S-92224A231 1/4"-20 x 2 1/4" 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 black oxide steel coating for extended service life in demanding industrial environments
- High tensile strength of 60,000 psi ensures reliable, vibration-resistant fastening in critical applications
- Rockwell B70 hardness provides excellent durability and resistance to wear during installation and use
- Class 2A thread fit offers optimal balance between easy assembly and secure fastening performance
- Fully threaded design maximizes engagement surface for superior holding power across the entire length
- Phillips drive with pan head combines efficient installation with a low-profile, rounded head design
- Comprehensive compliance with ASME B18.6.3, RoHS 3, and REACH standards ensures quality and environmental responsibility
Professional Applications & Engineering Value
These black oxide steel screws with 1/4"-20 UNC coarse threads deliver exceptional performance in industrial assembly applications where corrosion resistance and high tensile strength are critical. The fully threaded design ensures maximum engagement in materials ranging from metals to composites, while the Phillips pan head provides efficient installation with standard tools. The Class 2A thread fit maintains precise tolerances for consistent performance in automated assembly lines or manual applications. Engineered for machinery, equipment manufacturing, and structural assemblies, these rounded head screws offer reliable fastening solutions that withstand vibration, thermal cycling, and harsh operating conditions without compromising integrity.
Specification Summary & Compliance
Manufactured to ASME B18.6.3 specifications with Class 2A thread fit tolerances for consistent performance. Features 1/4"-20 UNC coarse threads with right-hand orientation and full threading along the 2-1/4" length. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors while maintaining 60,000 psi tensile strength and Rockwell B70 hardness standards.
