Bolts and flanges according to the ASME B16.5 standard: Stud bolt with two nuts 1"x175 mm (for flanges 6" ANSI 600)......................144pcs. Stud bolt with two nuts 1 1/8"x195 mm (for flanges 8" ANSI 600)..................144pcs. Stud bolt with two nuts 1 1/4"x215 mm (for flanges 10" ANSI 600)...............192pcs. Stud bolt with two nuts 5/8"x100 mm (for flanges 3" ANSI 150)...................60pcs. Stud bolt with two nuts 3/4"x115 mm (for flanges 6" ANSI 150)....................96pcs. Both materials A2 Inox and steel Galvanized 8.8