S-90022A090 2-56 x 1/4" Steel Pan Head Torx Screws
Steel Pan Head Torx 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 coating, extending service life in harsh industrial environments
- Enhanced torque transmission through Torx T8 drive design, reducing cam-out and tool wear during installation
- High mechanical strength with 40,000 PSI tensile strength and Rockwell B70 hardness for reliable load-bearing performance
- Optimized thread engagement with Class 2A UNC coarse threads ensuring secure fastening in various materials
- Full-thread design maximizes grip length and distribution for superior holding power
- Low-profile pan head provides ample bearing surface while maintaining compact installation clearance
- Regulatory compliance with RoHS 3 and REACH standards for environmentally responsible manufacturing
Professional Applications & Engineering Value
These zinc-plated steel screws with Torx T8 drive are engineered to address critical fastening challenges in industrial assembly. The 2-56 UNC coarse thread configuration delivers excellent pull-out resistance in metals and plastics, while the Class 2A thread fit ensures consistent engagement without binding. The pan head design with rounded profile distributes clamping force effectively, preventing surface damage in sensitive applications. The corrosion-resistant zinc plating protects against environmental degradation, making these fully threaded screws ideal for electronics enclosures, machinery components, and automotive assemblies where vibration resistance and long-term reliability are paramount. The 1/4" length provides versatile application coverage across various material thicknesses.
Specification Summary & Compliance
Manufactured to precise inch system dimensions with Class 2A thread fit tolerance per UNC standards. Features right-hand thread direction with coarse thread spacing for rapid assembly. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Mechanical properties verified to deliver specified 40,000 PSI tensile strength and Rockwell B70 hardness for consistent performance in industrial fastening applications.
