Worm gears (or wormwheel gears) and worms (or worm drives) are created to interact to transfer motion between non-intersecting shaft at correct angles. Worm gears and worms, which resemble spur gears and Enveloping Worm Gear screws, respectively, combine to provide a high decrease ratio in a concise gear system. Our ground worm gears and ground worms are designed for exceptionally smooth and quite operation.