S-97690A144 2-56 x 5/16" ASME B18.6.3 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
- Enhanced corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
- Superior torque transmission through T8 Torx drive design, minimizing cam-out and tool slippage during installation
- Optimized thread engagement with Class 2A UNC coarse threads ensuring reliable fastening in various materials
- High mechanical strength backed by Rockwell B70 hardness rating for consistent performance under stress
- Professional aesthetic integration with black painted pan head offering both visual appeal and surface protection
- Industry-standard compliance meeting ASME B18.6.3 specifications for guaranteed dimensional accuracy
- Environmental responsibility through RoHS 3 and REACH compliance for sustainable procurement
Professional Applications & Engineering Value
These zinc-plated steel Torx pan head screws deliver exceptional engineering value in precision assembly applications where vibration resistance and consistent clamping force are critical. The combination of Rockwell B70 hardness and Class 2A UNC coarse threads provides optimal performance in metal-to-metal fastening, electronic enclosures, and machinery components. The black painted finish on the rounded pan head offers both corrosion protection and aesthetic continuity in visible applications. The T8 Torx drive system ensures secure tool engagement, reducing installation time and preventing fastener damage in high-volume production environments where reliability is paramount.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit and UNC coarse threading (2-56 size) ensuring consistent performance across applications. Full compliance with ASME B18.6.3 manufacturing specifications guarantees dimensional accuracy and interchangeability. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, making these screws suitable for global supply chains and environmentally conscious manufacturing operations.
