Diameter (d)PitchdkkDrive
M2.50.455.00-4.702.12-1.88T8
M30.506.00-5.302.52-2.28T10
M40.708.00-7.643.25-2.95T20
M50.8010.00-9.143.95-3.65T25
M61.0012.00-11.574.75-4.45T30