1)Stainless Steel Pipe Hex Nut Size: 1/8" ---4"

2)Stainless Steel Pipe Grade: 304.304L, 316.316L

3)Rating: 150PSI on fittings

4)Thread: NPT , BSPT

5)Technology: all of our products are made by investment casting.

We are a great manufacturing corporation in china , specializing in many kings of pipe fittings.