Weld Mount HS200-51618-24SS, 516"-18 Thread, 1.5" tall Stainless Steel Stud. These studs are designed for heavy load applications such as mounting filters and panels. The stud is inertial (friction) welded to a 2" base plate creating a very strong part. The stud is manufactured of 304 stainless steel. Tensile strength is approximately 1,200 lbs and shear strength is 1,500 Lbs.