Regular and external torx dimensions:

TorxE-TorxPoint-to-point distance
(in)(mm)
T10.0310.81
T20.0360.93
T30.0461.1
T40.051.28
T5E20.0551.42
T5.5
T60.0661.7
T70.0781.99
T80.092.31
T90.0982.5
T100.1072.74
T150.1283.27
T20E40.1513.86
T25E50.1734.43
T270.1954.99
T30E60.2165.52
T35E70.246.1
T40E80.266.65
T450.3067.82
T47GM-Style
T50E100.3468.83
E11
T55E120.4411.22
E140.5012.8
T60E160.51913.25
T70E180.6115.51
T80E200.6917.54
T900.78419.92
T100E240.87122.13