Worm gears (or wormwheel gears) and worms (or worm drives) are made to interact to transfer movement between nonintersecting shaft at right angles. Worm gears and worms, which resemble spur gears and screws, respectively, combine to supply a high decrease ratio in a compact gear system. Our floor worm gears and surface worms are designed for remarkably Enveloping Worm Gear smooth and quite operation.