Miter gears are one type of bevel gears where in fact the two rotational axes intersect. When talking about narrow definition of bevel gears with ability to increase or decrease speed, miter gears do not have that ability due to the pair’s same number of tooth. Their purpose is bound to the switch in transmission direction. Because they are a kind of bevel gears, the essential characteristic of bevel gears exist such as for example presence of gear kinds of straight cut, spiral cut and types.
Also, because the shafts can be set to any angle, generally there are miter gears with non-90 
degree (non-perpendicular) angle miter gear called angular miter gears. Ever-power is definitely capable of creating angular miter gears with shaft angles in the number of 45 to 120 degrees.
Because a pair of straight tooth miter gears has the same quantity of teeth, with the exception of minor differences such as collection screw holes and key ways, the same two gears may mate with one another. However, in the case of spiral miter gears, even when the number of teeth will be the same, the twisting directions are different. Therefore, the same equipment can't be meshed together, in fact it is necessary to pair the right and still left handed pairs.
Bevel gears are classified in various types according to geometry:
Straight bevel gears have conical pitch surface and teeth are right and tapering towards apex.