S-91249A063 2-56 x 3/4" ASME B18.6.3 Stainless Steel Pan Head Phillips Screws
Stainless Steel Pan Head Phillips 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 and extended service life.
- Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B70 hardness for reliable performance under high stress.
- Optimal fastening efficiency with a fully threaded 2-56 UNC coarse thread design, ensuring quick installation and strong holding power.
- Precise and secure fit due to Class 2A thread fit, reducing the risk of cross-threading and ensuring consistent assembly quality.
- Easy installation and removal with a No. 1 Phillips drive and rounded pan head, allowing for high torque application without slippage.
- Broad regulatory compliance meeting ASME B18.6.3, RoHS 3, and REACH standards, ensuring safety and environmental responsibility.
- Versatile right-hand threading compatible with standard UNC components, facilitating seamless integration into various assemblies.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, these 2-56 UNC Rounded Head Phillips Screws in Black-Oxide 18-8 Stainless Steel address critical challenges like corrosion, vibration loosening, and mechanical failure. The coarse thread design enhances grip in softer materials and resists stripping, while the fully threaded configuration ensures uniform load distribution. With a 3/4" length and Class 2A thread fit, they provide precise alignment in machinery, electronics, and automotive applications, reducing assembly time and maintenance costs. The Black-Oxide surface treatment not only improves aesthetics but also adds a protective layer against wear and chemical exposure, making these screws a reliable choice for long-term engineering projects.
Specification Summary & Compliance
This screw features a 2-56 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy and easy assembly. It complies with ASME B18.6.3 manufacturing standards, ensuring consistent quality and performance. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for industrial use.
