Description
The #8-32 Button Head Cap Screw is a light-duty, low-profile fastener engineered for precision assemblies where aesthetics, clearance, and reliable fastening are essential. With a rounded button head and an internal hex socket, this screw provides smooth surface finishes and controlled torque application, making it ideal for compact enclosures, electronics, and consumer-facing components.
Specifications
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Thread Size: #8-32 (Unified National Fine)
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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; also available in stainless steel, black oxide, or zinc-plated carbon steel
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Finish Options: Black oxide, plain, zinc-plated, or stainless
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Grade: Typically Grade 8 (hardened alloy steel) or 18-8 / 316 stainless for corrosion resistance
Key Features
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Smooth, Low-Profile Head: The rounded design ensures a flush finish that minimizes snags and enhances appearance in visible or touch-accessible assemblies.
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Precision Thread Engagement: #8-32 fine thread provides excellent grip and resistance to loosening in thin materials or high-vibration environments.
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Hex Socket Drive: Internal hex allows for precise torque application and minimizes the risk of stripping during installation.
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Corrosion-Resistant Options: Coated and stainless versions ensure long-term performance in moisture-prone or outdoor environments.
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Compact Yet Durable: Small form factor with reliable fastening strength for a wide range of light-duty applications.
Typical Applications
The #8-32 Button Head Cap Screw is ideal for compact, light-duty assemblies across many industries:
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Electrical and Electronic Enclosures
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Instrumentation and Sensor Mounting
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Consumer Products and IT Equipment
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Robotics, Panels, and Light Framing Systems
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Control Panels and Decorative Brackets
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Fixtures, Displays, and Prototyping Hardware
