S-96640A299 2-56 x 1/2" 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 18-8 Stainless Steel construction, ideal for harsh environments and extended service life.
- High tensile strength of 80,000 psi ensures reliable fastening under demanding mechanical loads.
- Excellent flush mounting capability with a standard 100° countersink angle flat head for smooth, unobtrusive surfaces.
- Easy installation and removal using a No. 1 Phillips drive, reducing assembly time and tool wear.
- Consistent thread engagement with fully threaded UNC coarse spacing and Class 2A fit for quick, secure fastening.
- Compliance with major industry standards including ASME B18.6.3, RoHS 3, and REACH for assured quality and safety.
- Durable performance backed by Rockwell B80 hardness, resisting deformation in repetitive use.
Professional Applications & Engineering Value
These 2-56 UNC flat head screws are engineered to address common industrial challenges such as component loosening due to vibration and corrosion in humid or chemical-exposed settings. Made from Black-Oxide 18-8 Stainless Steel, they provide a robust barrier against rust and oxidation, making them ideal for electronics enclosures, machinery panels, and outdoor equipment. The fully threaded design with coarse spacing ensures rapid installation and high pull-out strength, while the standard flat head profile and 100° countersink angle allow for seamless integration into precision assemblies. By meeting ASME B18.6.3 specifications, these screws deliver consistent dimensional accuracy and reliability, reducing maintenance needs and enhancing operational uptime in industrial screw applications.
Specification Summary & Compliance
This product features precise Class 2A thread fit and adheres to UNC coarse thread standards with a right-hand direction. Manufacturing complies with ASME B18.6.3 for dimensional consistency, and it is verified as RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring environmental safety and regulatory adherence.
