Product Information Material: 316 Stainless Steel Thread: BSPT Select a Product Part NumberThread Size H0.125SHPS1/8" H0.25SHPS1/4" H0.375SHPS3/8" H0.5SHPS1/2" H0.75SHPS3/4" H1.25SHPS1-1/4" H1.5SHPS1-1/2" H1SHPS1" H2.5SHPS2-1/2" H2SHPS2" H3SHPS3"