S-90272A111 4-40 x 9/16" ASME B18.6.3 Steel Pan Head Phillips Screws
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 zinc-plated steel construction, ideal for harsh industrial environments.
- High tensile strength of 60,000 psi ensures reliable performance in demanding applications.
- Excellent durability supported by Rockwell B70 hardness, reducing wear and tear.
- Easy and secure installation with a No. 1 Phillips drive, minimizing slippage and tool damage.
- Wide compatibility due to UNC coarse threads and Class 2A fit, facilitating quick assembly.
- Full threading provides consistent grip and holding power along the entire 9/16" length.
- Compliance with ASME B18.6.3, RoHS 3, and REACH ensures safety and regulatory adherence for global use.
Professional Applications & Engineering Value
These 4-40 UNC zinc-plated steel rounded head screws are engineered to address common industrial challenges, such as corrosion and mechanical stress. The zinc plating offers a protective barrier against moisture and chemicals, extending service life in applications like machinery assembly, electronics enclosures, and automotive components. With a coarse thread design and Class 2A fit, they provide quick, secure fastening in materials where vibration resistance is critical. The Phillips drive ensures efficient installation with standard tools, reducing assembly time and improving productivity in B2B settings. Ideal for heavy-duty fastening, these screws deliver reliable performance while meeting stringent ASME B18.6.3 standards for consistent quality.
Specification Summary & Compliance
This product features precise Class 2A thread fit and UNC coarse threads for accurate engagement, manufactured in accordance with ASME B18.6.3 specifications. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for industrial use. Dimensions include a 9/16" length and 0.112" thread diameter, supporting consistent performance in various applications.
