Worm gears (or wormwheel gears) and worms (or worm drives) are created to work together to transfer Enveloping Worm Gear movement between non-intersecting 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 surface worm gears and surface worms are manufactured for exceptionally smooth and quite operation.