Hey DIYers and plumbing pros! Tired of dealing with expensive stainless steel fittings that cost a fortune, or cheap copper ones that rust out, or plastic fittings that break when you look at them wrong? This 1/2 inch NPT female brass locknut is the solution you've been looking for. Brass is seriously the gold standard for pipe fittings - it's incredibly durable, resistant to corrosion, solid as a rock, and won't leak when properly installed. The thermal conductivity is excellent, it has low magnetic permeability, and it won't deform over time like some other materials. The hexagonal head gives you plenty of bearing surface for your wrench, making installation and adjustments straightforward. This locknut washer is perfect for connecting pipes of different diameters or materials, and it's also great for repairing damaged pipe threads - just cut out the bad section, thread both ends, and connect with this adapter. It works beautifully with water or oil systems, various measuring devices, collectors, garden connections - you name it! Just remember: when choosing sizes, measure the outside diameter of the largest threaded surface for male pipes, or the top thread diameter for female pipes. This isn't the same as the pipe diameter itself. Quality brass fittings make all the difference in plumbing projects!
Free 30-day returns 
Free 30-day returns
