Right-Angle Helical Bevel Gear is Tough and has a good pressure rating. This Bevel gear, when used in combination with the other gear, has a Perpendicular of between them. Bevel gears or straight-cut gears are the simplest types of gear. They consist of a Conical on the disk with teeth projecting the faces. These gears mesh together correctly only if fitted to Perpendicular shafts. Axial thrust is created by the tooth loads. Bevel gears are excellent at moderate speeds but tend to be noisy at high speeds.