Description
The #12-24 Flat Head Cap Screw is a light-to-medium-duty fastener engineered for secure, flush-mounted installation in structural, mechanical, and electronic assemblies. Featuring an 82° countersunk flat head and an internal hex drive, this fastener combines a smooth, unobtrusive finish with reliable torque application, making it ideal for assemblies that require both strength and precision in compact spaces.
Specifications
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Thread Size: #12-24 (Unified National Fine)
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Head Type: Flat head with 82° countersink and internal hex drive
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Drive Type: Hex socket (Allen)
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Length: Available in standard lengths (typically from 1/2" to 2")
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Material: Alloy steel, with options 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 (hardened alloy steel), or 18-8 / 316 stainless for corrosion resistance
Key Features
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Flush Countersunk Head: Designed for installation in countersunk holes, the flat head sits level with the surface, reducing snag points and allowing for a clean, finished appearance.
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Fine Thread Profile: The 24 TPI thread pitch offers superior engagement for thin materials, making it suitable for precise fastening in shallow tapped holes.
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Secure Torque Transfer: The internal hex socket ensures controlled torque application and minimizes stripping or tool slippage during tightening.
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Corrosion-Resistant Options: Available in stainless steel and coated finishes for long-term performance in indoor or exposed environments.
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Balanced Strength and Size: Provides a strong hold in a compact form factor, ideal for applications where space is limited but strength matters.
Typical Applications
The #12-24 Flat Head Cap Screw is ideal for precision mechanical and enclosure-based projects, such as:
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Electrical Panels and Control Boxes
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Sheet Metal Fabrication and Bracketry
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Electronics Enclosures and Mounting Frames
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Custom Machinery and Cabinetry
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Industrial Equipment Covers and Access Plates
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Robotics, Test Fixtures, and Small Structural Assemblies
