Worm gears (or wormwheel gears) and worms (or worm drives) are made to work together to transfer motion between non-intersecting shaft at correct angles. Worm gears and worms, which Enveloping Worm Gear resemble spur gears and screws, respectively, combine to supply a high reduction ratio in a compact gear system. Our ground worm gears and surface worms are manufactured for exceptionally smooth and quite operation.