M18 x Stainless Steel 316 Threaded Plug Fitting with Copper Washer – Slim Round Allen Key Head – Metric Thread Sealing Plug for Hydraulic, Fluid and Industrial Systems

316 Stainless Steel Construction – corrosion-resistant material designed for long-term durability in demanding industrial and high-moisture environments

Precision CNC Machined Threads – Accurate M18 x metric straight thread provides consistent fit and dependable sealing performance

Slim Round Allen Key Head – Internal hex drive with low-profile round head allows flush installation in tight or -clearance spaces

Industrial Thread Sealing Plug – Designed for closing threaded openings in hydraulic systems, tanks, manifolds, pipe fittings, and fluid equipment

Includes Solid Copper Washer – High-temperature resistant sealing washer helps maintain leak-free performance in thermal cycling environments

This M18 x stainless steel threaded plug fitting is designed for securely sealing compatible metric threaded ports in industrial, mechanical, and fluid system applications. Manufactured from high-grade 316 stainless steel, it provides excellent corrosion resistance and long-term durability in high-moisture, chemical, and high-temperature environments. The slim round head with internal Allen key drive allows for clean, low-profile installation where clearance is . Precision CNC machining ensures accurate M18 x straight metric threading, providing consistent fit and reliable sealing performance for threaded openings used in hydraulic equipment, tanks, manifolds, and piping assemblies. The included solid copper sealing washer improves sealing reliability and maintains performance under extreme temperature fluctuations without cracking or deformation. This threaded plug fitting is suitable for sealing threaded openings in industrial equipment, fluid systems, tanks, manifolds, housings, and piping components where a durable stainless steel metric plug is required. Let us know if you have any questions.