BOLT ASSEMBLY; THREAD DIAMETER: 12 MM, THREAD LENGTH: 75 MM, WIDTH ACROSS FLATS: 19 MM, SHANK LENGTH: 140 MM, OVERALL LENGTH: 215 MM , SURFACE TREATMENT: ZINC, NUT MATERIAL: STEEL, NUT GRADE: 8.8; ADDITIONAL INFORMATION: HEAD HEIGHT/THICKNESS: 8 MM, W/METALLIC SELF -LOCKING NUT 90 EA(each) BOLT, STUD; WITH: 2 HEAVY HEX NUTS; SIZE: 5/8"; LENGTH: 110MM; BOLT MATERIAL: A193 GR B7M; NUT MATERIAL: A194 GR 2HM; DESIGN STANDAR D: ASME B1.1 167 EA(each)