Stud bolts S275JR or A105. Nuts SA194 Gr.2H Drawing 1 - Sizes in the enclosed file 52 pcs./Stud bolts 105 pcs./Nuts Drawing 2 - Sizes in the enclosed file 32 pcs./Stud bolts 64 pcs./Nuts Drawing 3 - Sizes in the enclosed file 16 pcs./Stud bolts 32 pcs./Nuts Certificate EN 10204 3.1 required