S-94414A312 2-56 x 1/4" 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/T6 drive that prevents cam-out and extends tool life
- Exceptional strength and durability from alloy steel construction with 140,000 psi tensile strength and Rockwell C39 hardness
- Reliable thread engagement with Class 3A fit UNC coarse threads for secure fastening in demanding applications
- Corrosion-resistant protection through black-oxide surface treatment for extended service life
- Flush mounting capability with standard 82° countersink flat head design for clean, professional installations
- Full thread coverage along the 1/4" length ensures maximum grip and holding power
- Industry compliance assurance meeting ASME B18.3 standards for consistent quality and performance
Professional Applications & Engineering Value
These 2-56 UNC flat head screws with Torx Plus drive are engineered to solve critical fastening challenges in industrial and machinery applications. The black-oxide alloy steel construction provides exceptional resistance to wear and environmental factors, while the Class 3A thread fit ensures precise engagement in tapped holes. The Torx Plus IP6/T6 drive system delivers maximum torque transfer without stripping, making these flat head screws ideal for applications requiring high clamping force and flush surface mounting. The 82° countersink angle allows for seamless integration in precision machinery, electronic enclosures, and automotive assemblies where reliability and vibration resistance are paramount.
Specification Summary & Compliance
This 2-56 UNC screw features Class 3A thread fit with coarse thread spacing and right-hand threading. Manufactured to ASME B18.3 standards (ASTM F835) with full compliance to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The screw maintains precise dimensional tolerances with 0.197" head diameter and 1/4" length, ensuring consistent performance across industrial applications.
