Direction Spiral bevel and miter gears have a right or left hand specification, which describes the direction of tooth curve. If they have spiral teeth, bevel and miter gear sets must have opposite ...

Miter gears are bevel gears manufactured in a 1:1 ratio, with the same number of teeth on mating gears and with perpendicular axes. Spiral bevel gears are similar to helical gears with angled teeth ...