this Stainless Steel 1/2" MNPT Square Head Plug delivers a secure, leak-free seal for hydraulic, pneumatic, and plumbing systems. Made from corrosion-resistant stainless steel, it is engineered to withstand high pressure, harsh fluids, and tough work environments. The square-head design allows easy tightening with standard tools, making installation fast and reliable. Whether you’re sealing unused ports, completing repairs, or upgrading system components, this plug offers long-lasting durability and trusted performance.

🔹 Key Features

• Constructed from premium stainless steel for superior corrosion resistance

• 1/2" Male NPT tapered threads ensure a tight, leak-proof seal

• Square-head design allows easy installation with standard wrenches

• Ideal for closing off unused ports in hydraulic, pneumatic, and plumbing systems

• Suitable for automotive, marine, industrial, and shop applications

• Withstands high-pressure and high-temperature environments

• Perfect for custom builds, system upgrades, and professional repairs

📏 Specifications

• Material: Stainless Steel

• Thread Type: NPT (National Pipe Tapered Thread)

• Thread Size: 1/2" MNPT

• Design: Square plug

• Applications: Hydraulic lines, air compressors, plumbing systems, machinery