Product Information Material: 316 Stainless Steel Thread: BSPT Select a Product Part NumberThread Size H0.125SWNM1/8" H0.25SWNM1/4" H0.375SWNM3/8" H0.5SWNM1/2" H0.75SWNM3/4" H1.25SWNM1-1/4" H1.5SWNM1-1/2" H2SWNM2"