nominal size d , in mm clearance hole d_1 nom. = min., in mm clearance hole d_1 max., in mm outsidde diameter d_2 nom. = max., in mm outsidde diameter d_2 min., in mm thickness h nom., in mm thickness h max., in mm thickness h min., in mm 1.6 1.8 2.05 4 3.25 0.3 0.4 0.2 2 2.4 2.65 5 4.25 0.3 0.4 0.2 2.5 2.9 3.15 6 5.25 0.5 0.6 0.4 3 3.4 3.7 7 6.1 0.5 0.6 0.4 (3.5) 3.9 4.2 8 7.1 0.5 0.6 0.4 4 4.5 4.8 9 8.1 0.8 1 0.6 5 5.5 5.8 10 9.1 1 1.2 0.8 6 6.6 6.96 12 10.9 1.6 1.9 1.3 8 9 9.36 16 14.9 1.6 1.9 1.3 10 11 11.43 20 18.7 2 2.3 1.7 12 13.5 13.93 24 22.7 2.5 2.8 2.2 (14) 15.5 15.93 28 26.7 2.5 2.8 2.2 16 17.5 17.93 30 28.7 3 3.6 2.4 (18) 20 20.43 34 32.4 3 3.6 2.4 20 22 22.52 37 35.4 3 3.6 2.4 (22) 24 24.52 39 37.4 3 3.6 2.4 24 26 26.52 44 42.4 4 4.6 3.4 (27) 30 30.52 50 48.4 4 4.6 3.4 30 33 33.62 56 54.1 4 4.6 3.4 (33) 36 37 60 58.1 5 6 4 36 39 40 66 64.1 5 6 4 (39) 42 43 72 70.1 6 7 5 42 45 46 78 76.1 8 9.2 6.8 (45) 48 49 85 82.8 8 9.2 6.8 48 52 53.2 92 89.8 8 9.2 6.8 (52) 56 57.2 98 95.8 8 9.2 6.8 56 62 63.2 105 102.8 10 11.2 8.8 (60) 66 67.2 110 107.8 10 11.2 8.8 64 70 71.2 115 112.8 10 11.2 8.8