Description
The 3/8"-16 Button Head Cap Screw is a versatile, medium-diameter fastener designed for secure, flush installation in mechanical, structural, and aesthetic applications. With a rounded, low-profile button head and an internal hex drive, this screw delivers reliable torque control and a smooth, finished appearance, making it ideal for exposed surfaces or safety-conscious assemblies.
Specifications
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Thread Size: 3/8"-16 (Unified National Coarse)
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Head Type: Rounded button head with internal hex socket
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Drive Type: Hex socket (Allen)
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Length: Available in standard lengths (typically from 1/2" to 4")
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Material: Commonly alloy steel; also available in stainless steel, black oxide, or zinc-plated finishes
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Finish Options: Black oxide, plain, zinc-plated, or stainless
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Grade: Typically Grade 8 (alloy steel), or 18-8 / 316 stainless steel for corrosion resistance
Key Features
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Smooth Button Head Design: Low-profile head provides a clean, snag-resistant surface suitable for visible or touch-accessible locations.
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Solid Mechanical Strength: The 3/8" diameter and coarse 16 TPI thread offer robust clamping force for mid-range load applications.
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Controlled Installation: The internal hex socket allows for precise torque application, reducing the risk of stripping or damage during assembly.
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Corrosion-Resistant Options: Available in stainless steel and coated finishes to withstand harsh or outdoor environments.
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Precision Threading: Machined to meet UNC standards for secure engagement with tapped holes or standard coarse-thread nuts.
Typical Applications
The 3/8"-16 Button Head Cap Screw is ideal for medium-duty use across a wide variety of industries:
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Mechanical Panel and Guard Installations
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Automotive Trim and Subframe Mounts
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Steel Brackets and Modular Assemblies
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Furniture, Fixtures, and Enclosures
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Robotics and Motion-Control Platforms
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Consumer Products with Visible Fasteners
