S-90272A558 1/4"-20 x 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, ensuring long-lasting performance in harsh industrial environments
- High tensile strength of 60,000 psi provides reliable fastening for demanding applications, reducing failure risks
- Rockwell B70 hardness offers excellent durability and resistance to wear during installation and use
- Fully threaded UNC coarse spacing enables faster installation and stronger grip in various materials
- Class 2A thread fit ensures consistent, precise engagement with standard nuts and tapped holes
- Phillips No. 3 drive design allows for efficient torque application and reduced cam-out during driving
- Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees quality, safety, and environmental standards for global supply chains
Professional Applications & Engineering Value
This 1/4"-20 x 4" zinc-plated steel rounded head Phillips screw is engineered to address critical fastening challenges in industrial settings. The zinc-plated steel material provides a protective barrier against corrosion, extending service life in moisture-prone or outdoor applications. With a fully threaded UNC coarse spacing and Class 2A thread fit, it ensures quick assembly and secure holding power in metal, wood, and composite materials. The pan head style offers a low-profile, rounded design that distributes clamping force evenly, minimizing surface damage. Ideal for machinery, construction, and automotive assemblies, this screw delivers consistent performance where high tensile strength (60,000 psi) and compliance with ASME B18.6.3 standards are essential for operational safety and efficiency.
Specification Summary & Compliance
This product features precise Class 2A thread fit and UNC coarse thread specifications, manufactured in accordance with ASME B18.6.3 standards. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety requirements for industrial components.
