DIAMETRAL PITCH (IMPERIAL) To obtain the If you have the ...
Pitch Diameter Outside Diameter and the Module PD = OD – 2MOD Outside Diameter Module and the Number of Teeth OD = (N+2) x MOD Diametral Pitch Module DP = 25.4 MOD Please note: the above formulae relates to standard outside diameters and pitch diameters. For bevels, worm gears and helicals we suggest you have these drawn up and send the ...