... Description Module m Pressure anqle PA=20. AddendUm S+F=1.25m Working depth D+F=2.25m T0tal tooth height ... Module Outside Dia. Overall Length Hole Dia. 1 32 50 22 1.25 40 1.5 1.75 63 50 2 27 2.25 ... can be o rde red. ·Hobs with inch holes of 78,1,1116,11,4,11,2,134and2 inch bemade. ·gear hobs ...