Product Information Material: 316 Stainless Steel Thread: BSP Pl. Select a Product Part NumberThread Size H0.125SFS1/8" H0.25SFS1/4" H0.375SFS3/8" H0.5SFS1/2" H0.75SFS3/4" H1.25SFS1-1/4" H1.5SFS1-1/2" H1SFS1" H2.5SFS2-1/2" H2SFS2" H3SFS3"