S-90283A546 1/4"-20 x 1 1/2" ASME B18.6.3 Steel Pan Head Slotted Screws
Steel Pan Head Slotted 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
- Excellent tensile strength rated at 60,000 psi ensures reliable performance under heavy loads and vibration
- Optimized thread engagement with UNC coarse threading provides faster installation and superior holding power
- Precision Class 2A thread fit guarantees consistent performance and compatibility with standard mating components
- Enhanced durability with Rockwell B60 hardness maintains structural integrity through repeated use
- Full threading design allows maximum adjustability and secure fastening across the entire screw length
- Comprehensive compliance with ASME B18.6.3, RoHS 3, and REACH ensures quality and environmental responsibility
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these zinc-plated steel slotted pan head screws provide exceptional value in machinery assembly, equipment manufacturing, and structural frameworks. The 1/4"-20 UNC coarse thread configuration delivers superior resistance to vibration loosening while enabling rapid installation in high-volume production environments. The rounded pan head design with slotted drive offers both aesthetic appeal and practical functionality, sitting flush against surfaces while accommodating standard screwdrivers. The zinc plating creates a protective barrier against corrosion, making these industrial fasteners ideal for applications exposed to moisture, chemicals, or outdoor conditions. With full threading along the 1-1/2" length, these screws ensure maximum thread engagement and clamping force distribution across joined materials.
Specification Summary & Compliance
This slotted pan head screw features precision Class 2A thread fit with UNC coarse thread specifications (1/4"-20) and right-hand threading direction. Manufacturing complies with ASME B18.6.3 standards for dimensional accuracy and performance reliability. The product meets RoHS 3 (2015/863/EU) compliance for hazardous substance restrictions and REACH (EC 1907/2006) compliance for chemical safety, ensuring environmental responsibility and regulatory adherence for industrial applications worldwide.
