4PCS Hex Nipple 1/2" Male x 1/2" NPT Male Pipe Fittings,

No issues with 170psi of air pressure, i repair a lot of trucks and a stainless option is better than some others, good threads, good fit, good value for the look and ease if installation

These adapters fit perfectly. The threads can be a little sharp in places, but a small amount of sanding solves that issue easily. The threads match specifications and the quality is good. I am using them in a home water line and have no issues with leaks.

I’ve been a Machinist for over 50 years and have made plenty of these over the years. These are precision made on a CNC bar stock lathe. The threads are made exactly to industry standards and repeatable in every way. I’m using them on a series of high pressure hydraulic test pumps going up to 20,000 PSI. Not one problem!

Worked as it should.

These look great but the complaint I have is the taper is too long. Sometimes you tighten them up right to the nut and they still don't seal completely. I have had to use hydraulic sealant in some applications to get them to seal. If the female threads are not cut too deeply they work fine. The threads are smooth, cut well and the nipples to not have any sharp edges.

Well made. Legible Label. Good fit. No leaks.

I used for buried water line connection between various PVC, brass, and stainless fittings. Top quality 3/4 NPT fittings, and certainly one of the best labels I have ever seen.

These work great for hooking up water heaters. The stainless steel should last for many years.

nice and clean

Magnífica unión de acero inoxidable

The threads were over machined, the diameter is too small & they fully thread into the female parts without sealing... basically they bottom out.

Excelente producto, de alta calidad y bajo precio. Lo recomiendo ampliamente.

Worked well