A Hexagonal Head Plug is used to create a secure seal against the inner surface of the threaded hole. This seal prevents the leakage of fluids, which could lead to system malfunctions, environmental contamination, and potential safety hazards. The plug's tight fit and durable construction ensure that it can withstand the pressures and temperatures encountered in various systems.

Attributes:
• Withstands high pressure and temperature
• Made to create minimal friction, which helps to reduce wear and tear on the plug

Applications:
A Hexagonal Head Plug is used to provide a secure and reliable seal against high pressures, preventing fluid leaks and maintaining system integrity.