Worm gears (or wormwheel gears) and worms (or worm drives) are designed to interact to transfer movement between nonintersecting shaft at correct angles. Worm gears and worms, which resemble spur gears and screws, respectively, combine to provide a high decrease ratio in a concise gear system. Our ground worm gears and surface worms are engineered for exceptionally smooth and quite Ground Worm shaft operation.