S-90272A092 3-48 x 1/4" 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 harsh industrial environments
- Enhanced durability and wear resistance from Rockwell B70 hardness, reducing fastener failure and maintenance needs
- Reliable, precise fit with Class 2A thread tolerance, ensuring consistent assembly and reducing cross-threading risks
- Efficient installation using Phillips No. 1 drive, providing secure torque transfer and minimizing tool slippage
- Wide compatibility with 3-48 UNC coarse threads, offering strong holding power in various materials
- Full-length threading for maximum grip along the entire 1/4" length, improving load distribution
- Compliance with global standards including ASME B18.6.3, RoHS 3, and REACH, ensuring safety and regulatory adherence
Professional Applications & Engineering Value
These zinc-plated steel rounded head screws with 3-48 UNC coarse threads are engineered to address common industrial challenges such as vibration loosening and environmental degradation. The pan head design and Phillips drive facilitate quick, secure fastening in confined spaces, while the fully threaded construction ensures uniform stress distribution across joints. Ideal for electronics enclosures, machinery panels, and automotive assemblies, these screws provide reliable performance where corrosion resistance and high-strength retention are critical. Their compliance with ASME B18.6.3 guarantees dimensional consistency, reducing assembly errors and downtime in high-volume production environments.
Specification Summary & Compliance
This product adheres to Class 2A thread fit per UNC standards, ensuring precise dimensional accuracy and interchangeability. Manufacturing follows ASME B18.6.3 specifications for rounded head screws, with full compliance to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted hazardous substances. The zinc-plated finish and Rockwell B70 hardness further validate its suitability for demanding industrial applications.
