Product Information Material: 316 Stainless Steel Thread: BSPT Select a Product Part NumberThread Size H1SHN1" H0.125SHN1/8" H0.25SHN1/4" H0.37SHN3/8" H0.5SHN1/2" H0.75SHN3/4" H1.25SHN1-1/4" H1.5SHN1-1/2" H2.5SHN2-1/2" H2SHN2" H3SHN3"