S-93701A256 4-40 x 5/16" Steel Pan Head Torx Plus Screws
Steel Pan Head Torx Plus 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 protection with black corrosion-resistant coating for extended service life in harsh environments
- Enhanced torque transmission through Torx Plus drive system (IP10/T10) reducing cam-out and tool wear
- Precise thread engagement with Class 3A fit ensuring reliable fastening in critical applications
- High mechanical strength with 40,000 psi tensile strength and Rockwell B70 hardness for demanding loads
- Optimized head design featuring rounded pan profile for improved clearance and professional appearance
- Full threading coverage along the 5/16" length providing maximum grip and adjustment flexibility
- Regulatory compliance meeting RoHS 3 and REACH standards for global industrial use
Professional Applications & Engineering Value
These 4-40 UNC Torx Plus pan head screws deliver exceptional performance in precision assemblies where vibration resistance and corrosion protection are critical. The black corrosion-resistant coated steel construction withstands environmental exposure in electronics enclosures, automotive components, and industrial machinery. The Torx Plus drive system (IP10/T10) prevents stripping during high-torque installation, while the Class 3A thread fit and coarse UNC threading ensure rapid assembly with minimal cross-threading risk. The rounded pan head design distributes clamping force evenly, making these fully threaded screws ideal for securing thin materials and access-restricted applications where reliability cannot be compromised.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 3A thread fit tolerance and UNC coarse thread spacing. The 5/16" length features full threading with right-hand orientation. These screws comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility while maintaining 40,000 psi tensile strength and Rockwell B70 hardness specifications for consistent performance across industrial applications.
