Stud bolt with 2 nuts Material Stud bolt: 1.7219 26CRMO4 Galvanized Material Nut: 1.7219 26CRMO4 Galvanized 1) studbolt (metric) 500 pcs. M12 X 75mm long ( 1.75mm pitch) nut 1000 pcs. M12 2) studbolt (metric) 500 pcs. M16 X 100mm long (2.0mm pitch) nut 1000 pcs. M16 Certificate: ACC AD W7PARA 6.6