... /201/202/321 2)High-accuracy: dia 0.9-20.0mm 3)Tolerance:h9-h7 4)Normal: dia6.0-250m Stainless Steel round ... barGrade:200Series - 201,202,204,205300Series - 301,302,303,304,304L,316 ... with me .welcome to visit our factory 304/316/201/202 bright stainless steel round bar