Detailed Product DescriptionModulemPressure anqlePA=20.AddendUmS+F=1.25mWorking depthD+F=2.25mT0tal tooth heighth=2.5mClearance of tooth bottomCK=0.25mTiP radiusr=0.3mPitchPn=∏.mT00th thicknessSn=Pn2 GBT6084.2001 ClassAA.A.B mm Module Outside Dia.Overall Length Hole Dia. 1 32 50 22 1.25 40 1.5 1.75 63 50 2 272.25 56 2.5 71 2.75 63 3 3.25 80 71 32 3.5 L·Module range 1125 can be o rde red.·Hobs with inch holes of 78,1,1116,11,4,11,2,134and2 inchbemade.·gear hobs of JIS,BS,DIN and ANSI standards can be ordered too