Stud bolts form 1B MATERIAL :1.8070 M45x3x555mm; 50 pcs. M45x3x525mm; 50 pcs. M30x3x510mm; 50 pcs. Nuts MATERIAL: 1.7733 M30x3; 100 pcs. M45x3; 200 pcs. Stud bolts form 1B M20x120 ; Material 42CrMo4 100 pcs. Nuts M20 Material 34MoCr11 200 pcs.