S-96640A295 2-56 x 1/4" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws
Stainless Steel Phillips 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 corrosion resistance with Black-Oxide coated 18-8 Stainless Steel, ideal for harsh industrial environments
- Exceptional tensile strength rated at 80,000 psi for reliable, high-stress fastening applications
- Precision Class 2A thread fit ensures smooth installation and consistent engagement in UNC coarse threads
- Optimized Phillips No. 1 drive design provides secure tool engagement and reduces cam-out during installation
- Fully threaded construction delivers maximum grip length and uniform load distribution
- Standard 100° countersink angle allows for flush mounting in prepared surfaces
- Comprehensive compliance with ASME B18.6.3 standards and environmental regulations including RoHS 3 and REACH
Professional Applications & Engineering Value
These 2-56 UNC flat head Phillips screws deliver exceptional engineering value in demanding applications where corrosion resistance and reliable fastening are critical. The Black-Oxide 18-8 Stainless Steel construction provides superior protection against oxidation and chemical exposure, making them ideal for electronics enclosures, machinery components, and outdoor equipment. The combination of 80,000 psi tensile strength and Rockwell B80 hardness ensures these fully threaded screws maintain integrity under vibration and thermal cycling. The Phillips No. 1 drive and standard flat head profile facilitate efficient installation in confined spaces while the coarse UNC threading provides rapid assembly in various materials including metals and engineered plastics.
Specification Summary & Compliance
This 2-56 UNC flat head screw features precise Class 2A thread fit tolerances and 1/4" length with complete threading. Manufactured to ASME B18.6.3 specifications with right-hand thread direction and standard 100° countersink angle. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors.
