S-90272A327 5-40 x 1/8" 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, extending service life in demanding industrial environments.
- High-strength performance with 60,000 psi tensile strength and Rockwell B70 hardness for reliable, durable fastening under stress.
- Efficient installation using the Phillips No. 2 drive, designed for quick and secure tool engagement.
- Wide compatibility with the 5-40 UNC coarse thread and Class 2A thread fit, ensuring easy assembly and interchangeability.
- Maximum thread engagement from fully threaded design, providing consistent holding power along the entire 1/8" length.
- Regulatory compliance assurance meeting ASME B18.6.3, RoHS 3, and REACH standards for safe, quality-controlled use.
- Versatile rounded pan head profile offering a low-profile, standard design suitable for various applications without snagging.
Professional Applications & Engineering Value
These 5-40 UNC zinc-plated steel rounded head screws are engineered to address common industrial challenges such as corrosion, vibration loosening, and assembly speed. The zinc plating provides a protective barrier against rust and environmental wear, making them ideal for machinery, electronics, and automotive assemblies where moisture or chemicals are present. With a coarse thread and Class 2A fit, they facilitate quick alignment and reduce cross-threading risks, while the fully threaded design ensures uniform load distribution. The Phillips No. 2 drive allows for efficient torque application, minimizing slippage and enhancing productivity in high-volume manufacturing settings. This combination of high tensile strength and precise engineering supports reliable performance in critical industrial screw applications, from securing components in tight spaces to maintaining integrity under dynamic loads.
Specification Summary & Compliance
These screws adhere to Class 2A thread fit tolerances for consistent engagement and are manufactured in accordance with ASME B18.6.3 specifications. They comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring they are free from hazardous substances and safe for various industrial uses. The UNC coarse thread and inch-based dimensions support standardized assembly processes.
