To Create a Centerline Cross on a Full Circle (AutoCAD Mechanical Toolset)

Click Home tabDraw panelCenterline drop-downCenterline Cross on Full Circle. Find
Specify the center point, or press ENTER to select another type of centerline .
Specify a diameter for the circle by selecting a point on a hole, or enter a value.
Specify a diameter value for the hole to create a cross with a hole, or select N for No Hole to create a centerline cross without a hole, and then specify a diameter value for the cross. You can select S for Standard Parts to insert a standard hole.
Specify the number of centerline crosses you want to draw on the circle's periphery.
Press ENTER.
Specify the rotation angle for the centerline crosses.
Press ENTER.