Heyco Products, Inc. has announced availability of their new Liquid Tight Threaded Hole Plugs with NPT, PG, and Metric Hubs. Designed specifically for hydraulic and pneumatic applications, the plugs provide a liquid-tight seal up to 70 psi, are IP 68 Rated, and feature an integral sealing ring that provides a superior seal at the mounting hole location to protect against contamination and moisture.  The plugs are constructed from electrically non-conductive Nylon 6/6, are available to fit multiple hole sizes, and have a hex shaped head with slot for wrench or screwdriver installation. The plugs are also non-corrosive (resist salt water, weak acids, gasoline, alcohol, oil, grease, and common solvents), resist oil and heat up to 221°F (105°C), and provide a lower cost option over brass or steel  plugs. Free sample available.