d 1 d 1 d 1 l 2 l 1 Øh 8 Øh 8 decimal A108 A147 A777 Inch mm Inch mm mm 0.60 0.0236 7 24 A147.6 A777.6 0.65 0.0256 8 26 A777.65 0.70 0.0276 9 28 A147.7 A777.7 0.80 0.0315 10 30 A147.8 A777.8 0.90 0.0354 11 32 A147.9 A777.9 0.95 0.0374 11 32 A777.95 1.00 0.0394 12 34 A1081.0 A1471.0 A7771.0 1.10 0.0433 14 36 A1081.1 A1471.1 A7771.1 1.20 0.0472 16 38 A1081.2 A1471.2 A7771.2 1.30 0.0512 16 38 A1081.3 A1471.3 A7771.3 1.40 0.0551 18 40 A1081.4 A1471.4 A7771.4 1.50 0.0591 18 40 A1081.5 A1471.5 A7771.5 1/16 1.59 0.0626 20 43 A1081/16 A1471/16 A7771/16 1.60 0.0630 20 43 A1081.6 A1471.6 A7771.6 1.70 0.0669 20 43 A1081.7 A1471.7 A7771.7 1.80 0.0709 22 46 A1081.8 A1471.8 A7771.8 1.90 0.0748 22 46 A1081.9 A1471.9 A7771.9 5/64 1.98 0.0780 24 49 A1085/64 A7775/64 2.00 0.0787 24 49 A1082.0 A1472.0 A7772.0 2.10 0.0827 24 49 A1082.1 A1472.1 A7772.1 2.20 0.0866 27 53 A1082.2 A1472.2 A7772.2 2.30 0.0906 27 53 A1082.3 A1472.3 A7772.3 3/32 2.38 0.0937 30 57 A1083/32 A1473/32 A7773/32 2.40 0.0945 30 57 A1082.4 A1472.4 A7772.4 2.50 0.0984 30 57 A1082.5 A1472.5 A7772.5 2.60 0.1024 30 57 A1082.6 A1472.6 A7772.6 2.70 0.1063 33 61 A1082.7 A1472.7 A7772.7 7/64 2.78 0.1094 33 61 A1087/64 A7777/64 2.80 0.1102 33 61 A1082.8 A1472.8 A7772.8 2.90 0.1142 33 61 A1082.9 A1472.9 A7772.9 3.00 0.1181 33 61 A1083.0 A1473.0 A7773.0 3.10 0.1220 36 65 A1083.1 A1473.1 A7773.1 1/8 3.18 0.1252 36 65 A1081/8 A1471/8 A7771/8 3.20 0.1260 36 65 A1083.2 A1473.2 A7773.2 3.30 0.1299 36 65 A1083.3 A1473.3 A7773.3 3.40 0.1339 39 70 A1083.4 A1473.4 A7773.4 3.50 0.1378 39 70 A1083.5 A1473.5 A7773.5 9/64 3.57 0.1406 39 70 A1089/64 A7779/64 3.60 0.1417 39 70 A1083.6 A1473.6 A7773.6 3.70 0.1457 39 70 A1083.7 A1473.7 A7773.7 3.80 0.1496 43 75 A1083.8 A1473.8 A7773.8 3.90 0.1535 43 75 A1083.9 A1473.9 A7773.9 5/32 3.97 0.1563 43 75 A1085/32 A1475/32 A7775/32 4.00 0.1575 43 75 A1084.0 A1474.0 A7774.0 4.10 0.1614 43 75 A1084.1 A1474.1 A7774.1 4.20 0.1654 43 75 A1084.2 A1474.2 A7774.2 4.30 0.1693 47 80 A1084.3 A1474.3 A7774.3 11/64 4.37 0.1720 47 80 A10811/64 A77711/64 4.40 0.1732 47 80 A1084.4 A1474.4 A7774.4 4.50 0.1772 47 80 A1084.5 A1474.5 A7774.5 4.60 0.1811 47 80 A1084.6 A1474.6 A7774.6 4.70 0.1850 47 80 A1084.7 A1474.7 A7774.7 3/16 4.76 0.1874 52 86 A1083/16 A1473/16 A7773/16 4.80 0.1890 52 86 A1084.8 A1474.8 A7774.8 4.90 0.1929 52 86 A1084.9 A1474.9 A7774.9 N10 4.92 0.1935 52 86 A108N10 5.00 0.1969 52 86 A1085.0 A1475.0 A7775.0 5.10 0.2008 52 86 A1085.1 A1475.1 A7775.1 13/64 5.16 0.2031 52 86 A10813/64 A77713/64 5.20 0.2047 52 86 A1085.2 A1475.2 A7775.2 5.30 0.2087 52 86 A1085.3 A1475.3 A7775.3 5.40 0.2126 57 93 A1085.4 A1475.4 A7775.4 5.50 0.2165 57 93 A1085.5 A1475.5 A7775.5 7/32 5.56 0.2189 57 93 A1087/32 A7777/32 5.60 0.2205 57 93 A1085.6 A1475.6 A7775.6 5.70 0.2244 57 93 A1085.7 A1475.7 A7775.7 5.80 0.2283 57 93 A1085.8 A1475.8 A7775.8 5.90 0.2323 57 93 A1085.9 A1475.9 A7775.9 15/64 5.95 0.2343 57 93 A10815/64 A77715/64 6.00 0.2362 57 93 A1086.0 A1476.0 A7776.0 71