1/4 MPT Hex Pipe Plug

The 1/4 MPT Hex Pipe Plug from FRAGOLA is a compact closure fitting designed for hydraulic and pneumatic systems where line termination or temporary sealing is required. This plug addresses a critical need in fluid power applications—safely capping off unused ports to prevent contamination, fluid loss, and safety hazards. Whether you're assembling custom hydraulic lines, servicing equipment, or building modular fluid systems, this hex-head plug delivers reliable performance in demanding industrial and automotive environments.

Engineered from aluminum and finished in blue anodized coating, the 1/4 MPT Hex Pipe Plug offers corrosion resistance and a professional appearance while maintaining lightweight properties ideal for mobile and stationary hydraulic systems. The hex head design enables easy installation and removal using standard wrenches, reducing assembly time and minimizing risk of cross-threading. The 1/4-inch NPT (National Pipe Thread) connection ensures compatibility with standard hydraulic and pneumatic components, providing a secure, pressure-rated seal when properly installed with appropriate thread sealant or tape.

Technicians, hydraulic system integrators, and equipment manufacturers rely on this plug for both temporary and permanent line closure applications. Its compact size and durable anodized finish make it suitable for off-road vehicles, farm equipment, industrial machinery, and custom fluid power assemblies. Installation is straightforward—thread into any 1/4 NPT female port, tighten with a wrench until snug, and confirm a leak-free seal under operating pressure. For maximum reliability, pair with quality thread sealant to achieve full ANSI pressure ratings across a wide temperature range.