Reference Sizes Table

Metric Sizes Table
Size d1 d3 d7 d8 l1 l4
100 10 20 21 3 17.5 10
120 12 22 23 3 17.5 10
140 14 25 25 3 17.5 10
160 16 27 27 3 19.5 10
180 18 30 33 3 20.5 11.5
200 20 32 35 3 22 11.5
220 22 35 37 3 23.5 11.5
240 24 38 39 3 25 11.5
250 25 40 40 3 26.5 11.5
280 28 43 43 3 26.5 11.5
300 30 45 45 3 25 11.5
320 32 47 48 3 28.5 11.5
350 35 50 50 3 28.5 11.5
380 38 56 56 4 32 14
Imperial Sizes Table
Size d1 d3 d7 d8 l1 l4
100 0.394 0.787 0.827 0.118 0.689 0.394
120 0.472 0.866 0.906 0.118 0.689 0.394
140 0.551 0.984 0.984 0.118 0.689 0.394
160 0.63 1.063 1.063 0.118 0.768 0.394
180 0.709 1.181 1.299 0.118 0.807 0.453
200 0.787 1.26 1.378 0.118 0.866 0.453
220 0.866 1.378 1.457 0.118 0.925 0.453
240 0.945 1.496 1.535 0.118 0.984 0.453
250 0.984 1.575 1.575 0.118 1.043 0.453
280 1.102 1.693 1.693 0.118 1.043 0.453
300 1.181 1.772 1.772 0.118 0.984 0.453
320 1.26 1.85 1.89 0.118 1.122 0.453
350 1.378 1.969 1.969 0.118 1.122 0.453
380 1.496 2.205 2.205 0.157 1.26 0.551