S-94414A311 2-56 x 3/16" ASME B18.3, ASTM F835 Alloy Steel Torx Flat Head Screws
Alloy Steel Torx Flat Head 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 torque transmission with Torx Plus IP6 drive that minimizes cam-out and tool wear
- Exceptional strength and durability from alloy steel construction with 140,000 psi tensile strength
- Precise thread engagement with Class 3A fit ensuring reliable fastening in demanding applications
- Enhanced corrosion resistance through black-oxide surface treatment for extended service life
- Optimal flush mounting with standard 82° countersink angle and flat head design
- Industry-standard compliance meeting ASME B18.3 specifications for consistent performance
- Environmental regulation adherence with RoHS 3 and REACH compliance for global applications
Professional Applications & Engineering Value
These 2-56 UNC flat head screws with Torx Plus drive deliver exceptional engineering value in precision assembly applications. The black-oxide alloy steel construction provides superior strength-to-weight ratio while the corrosion-resistant surface treatment ensures longevity in harsh industrial environments. The Class 3A thread fit guarantees precise engagement in tapped holes, eliminating play and vibration-induced loosening in machinery, electronics, and automotive assemblies. The Torx Plus IP6 drive system enables higher torque application without stripping, making these screws ideal for high-stress applications where reliability is critical. The fully threaded design ensures maximum holding power along the entire 3/16" length, while the coarse UNC thread pattern facilitates quick installation in production environments.
Specification Summary & Compliance
This flat head screw features precision 2-56 UNC coarse threads with Class 3A fit for superior thread engagement. Manufactured to ASME B18.3 specifications (ASTM F835) with 82° countersink angle and standard flat head profile. The fastener meets Rockwell C39 hardness rating and delivers 140,000 psi tensile strength. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for use in restricted substance-sensitive applications.
