Spur Gear Racks Click the spur gear rack point object from the Machine Components tool set to insert a spur gear rack. Parameter Description Method Select whether to insert the spur gear rack using either a diametral pitch (for imperial sizes) or module (for metric sizes) Diametral Pitch or Module (mm) Specify either the diametral pitch or module, for the selected insertion method Pressure Angle Select the pressure angle Number of Teeth Enter the number of teeth Thickness Enter the base thickness Face Width Enter the width of the spur gear rack face View Select the 2D view Show All Teeth Select to draw the all teeth or just the end teeth Draw Fillet Select to draw filleted spur gear rack teeth Show Pitch Line Select to draw the 2D spur gear rack with a pitch line