We are offering stud bolts : zinc platedhot dip galvanizedstainless steelblackptfeyellowdracomet, tin, client specific requirementsstandard: astm asme bs din jis bs en isomaterial : carbon steel, mild steel, alloy steel & stainless steel.dia range: m10 to m100 and 38 to 4threads: ansi b 1.1 class 2a fit (imperial) , ansi b 1.13m 6g (metric)