Nominal Bolt Size MMBS4320 form A&B Din 125 D2BS4320 Form A Din 125 TBS4320 Form B TBS4320 Form C D2BS4320 Form C TDin 433 D2Din 433 TDin 9021 D2Din 9021 T 1.0 3.0 0.3 * * * 2.5 0.3 * * 1.2 3.5 0.3 * * * 3.0 0.3 * * 1.4 4.0 0.3 * * * 3.0 0.3 * * 1.6 4.0 0.3 * * * 3.5 0.3 * * 2 5.0 0.3 * * * 4.5 0.3 * * 2.5 6.5 0.5 * * * 5.0 0.5 8.0 0.8 3.0 7.0 0.5 * * * 6.0 0.5 9.0 0.8 3.5 8.0 0.5 * * * 7.0 0.5 11 0.8 4 9.0 0.8 * 10 0.8 8.0 0.5 12 1.0 5 10 1.0 * 12.5 1.0 9.5 1.0 15 1.2 6 12.5 1.6 0.8 14 1.6 11 1.6 18 1.6 8 17 1.6 1.0 21 1.6 15 1.6 24 2.0 10 21 2.0 1.2 24 2.0 18 1.6 30 2.5 12 24 2.5 1.6 28 2.5 20 2.0 37 3.0 16 30 3.0 2.0 34 3.0 27 2.0 50 3.0 20 37 3.0 2.0 39 3.0 33 2.5 60 4.0