Description
The 1/4"-20 Button Head Cap Screw is a versatile, low-profile fastener designed for light-to-medium-duty applications that require a clean finish and streamlined appearance. With its rounded button-shaped head and internal hex drive, this screw provides a flush, snag-resistant fit ideal for exposed surfaces, panels, and assemblies where aesthetics and safety are as important as functionality.
Specifications
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Thread Size: 1/4"-20 (Unified National Coarse)
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Head Type: Rounded button head with internal hex drive
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Drive Type: Hex socket (Allen)
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Length: Available in standard lengths (typically from 1/4" to 2")
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Material: Alloy steel, stainless steel, or zinc-plated carbon steel
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Finish Options: Black oxide, plain, zinc-plated, or polished stainless
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Grade: Typically Grade 8.8 (metric equivalent), 18-8 stainless, or 316 stainless for enhanced corrosion resistance
Key Features
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Low-Profile Design: Rounded head provides a smooth, snag-free profile that minimizes interference in moving parts or exposed surfaces.
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Controlled Torque Application: Internal hex socket enables precise tightening without damaging surrounding materials.
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Aesthetic Appeal: Sleek, unobtrusive head style is ideal for applications where visible fasteners must remain clean and professional in appearance.
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Corrosion Resistance Options: Available in stainless and coated finishes for use in humid, outdoor, or corrosive environments.
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Reliable Thread Engagement: 1/4"-20 UNC threading ensures consistent grip with tapped holes or standard coarse-thread nuts.
Typical Applications
The 1/4"-20 Button Head Cap Screw is suited for light to moderate applications in industries where form meets function, such as:
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Electronics and Control Panel Mounting
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Automotive Interiors and Trim
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Furniture and Fixture Assemblies
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Safety Covers and Machine Guards
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Robotics, 3D-Printed Frames, and Modular Rigs
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Consumer Products and Displays