Product Overview
The 1/2" MNPT Brass Countersink Hex Plug is a high-pressure, corrosion-resistant pipe plug designed to seal unused ports in air, hydraulic, coolant, and industrial fluid systems. Built from solid brass and featuring a hex socket countersink head, this plug provides easy installation in tight spaces while maintaining a strong, leak-resistant seal. Rated up to 1200 PSI, it is suitable for heavy-duty shop air systems, hydraulic manifolds, pumps, valves, and general-purpose plumbing.