Stud bolts DIN 2510 form Z Size M39 X 280 MM Material 1.7218(25 CrMo 4 ) AD-M W7-MTR 3.2 Q'ty 60 pcs. Hexagon nuts DIN 2510 form NF ( NF Standard Shape up M56) M39 Material Heat Resistant 1.1181+N ( C35E+N ) AD-M W7 - MTR 3.1 Q'ty 120 pcs. Trade Term delivery ex work Term payment : T/T