Shear stud details: Product name Shear stud /shear connector Standard Iso13918 /aswd/ansi1.1 /bs5400/as1554.2 Material Swrch18a with phosphorization Diameter 10 /13 /16 /19 /22 /25 mm Length As customer requirement Surface Anti-rust and smooth Certificated Iso9001/ce Other Ome available