Catalogo ABC 54

Metric sizes Wrench opening (rated dimensions) thread Ø ISOR 272 1968 German sizes DINMetric Metric system Norwegian Metric system French Swedish SMS System Whitworth mm  Hexagon normal Hexagon small Hexagon normal Hexagon small Hexagon large small 1414 large 1412 small 1415 large 1413 2,5 1 3 1,2 1,4 3,2 1,6 1,6 3,5 1,7 4 2 2 1,7 2,5 2,3 4,5 2,3 2 2,6 5 2,5 2,5 2,6 2,3 3 3 5,5 3 3 2,6 6 3,5 3 3,5 3,5 3 7 4 4 3,5 4 4,5 4 3,5 8 5 5 6 4 5 5 4 9 5 5,5 5 10 6 6 8 6 6 11 7 7 6 7 7 6 12 8 7 8 13 8 8 10   14 10 8 8 8 15 (10) + 10   16 9 17 10 12 10 12 9 10 10 10 18 12   19 12 14 12 16 11 11 20 20,8 spark plug M 14 21 12 14   22 14 16 14 12 12 14 12 14 23 14  24 16 18 16 20 16  25 26 spark plug M 14 16 27 18 20 18 16 16 18 16 28   29 18 30 20 22 20 24 20 32 22 24 22 20 18 20 20 22 18 20 33   34 24 Metric sizes Wrench opening (rated dimensions) thread Ø Screws and nuts (SAE) USS American Standard inches  mm Screws and nuts Screws Screws and nuts Screws  3,175  3,97 0 1  4,76 2 3  5,16  5,56  5,95  6,35 4  6,75  7,14  7,54  7,94   5 6  8,73 8  9,52  10  10,32  11,11   12    11,90  12,70      14,29      15,08   15,88      17,46   19,05      19,84   20,64     22,22       23,81   24,61  1 25,40     1  26,99   1  28,57    1  30,16 1  31,75   1 1  33,44  1 Metric sizes Dimensions rated Wrench opening (rated dimensions) Ø of the thread BSWHexagon Large BS192 BSF and BSW small hex BS 1083 W BS BA inches mm 10 .117 2,97 9 .131 3,33 8 .152 3,86 7 .172 4,37 6 .193 4,90 5 .220 5,59 4 .248 6,30  =  .256 6,50 3 .282 7,16  =  .297 7,54 2 .324 8,23  =  .340 8,64 1 .365 9,27 0 .412 10,49  =  .445 11,30  =  .525 13,33  =  .600 15,24  =  .710 18,03  =  .820 20,83  =  .920 23,34  =  1.010 25,65  =  1.100 27,94 =  1.200 30,48  =  1.300 33,02 Among Italian, German, American, English, Norwegian, French and Swedish sizes