Need a Countersunk Flat Head Seal Screw? Adding Undercut Critical for Protection in High-Pressure Environments
When it comes to shielding equipment from harsh elements, a flat head seal screw engineered with a 360° O-ring offers reliable sealing protection. We recommend one with an undercut. Here’s why.
Key Advantages: Undercut With Countersunk Flat Head Sealing Screw
Undercut Design Enhances Sealing, Improves Thread Engagement and Clamping Strength. The undercut modification shortens the head height while extending the thread length, ensuring a reliable seal by providing more threads to engage with the material. This is critical in high-pressure environments.
Flush Fit for Metal-to-Metal Contact. The undercut head allows the screw to sit flush against the countersunk hole, ensuring optimal metal-to-metal contact. This minimizes any gaps, reducing potential sources of leakage and seepage.
O-Ring Compatibility for Leak-Proof Seal. When engineered with a rubber O-ring, the undercut design ensures the O-ring is squeezed flat against the surface, preventing slippage and ensuring an impenetrable seal. Without the undercut, O-rings can slip out, causing potential sealing issues and damaging equipment.
Conical Head Challenges. Standard conical heads without an undercut don’t provide a proper seat for the O-ring, making it difficult to achieve a reliable seal. In applications with high pressure, this can lead to failure.
Ideal for Outdoor and Industrial Applications
An undercut countersunk flat head sealing screw is perfect for protecting outdoor equipment exposed to precipitation, saltwater, water, moisture, chemicals, and pressure fluctuations, such as:
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