... rough turned. Lengths: 10-12 feet 1.Size and type: Bolt: M3-M64 hexagonal head, hex socket head, CSK,flange boltNut ... nut, flange nutThreaded Rod:4-2000mm full-tread, double end thread stud2.Materials option: Stainless Steel C276, 904L, 304, 304L,310S ...