worms and worm gears provide a highly effective worm & worm wheel solution for power transmitting applications requiring high-ratio acceleration reduction in a limited space using right position (90°), nonintersecting shafts. When properly used, worms and worm gears provide the smoothest, quietest kind of gearing.
Because the effectiveness of a worm gear drive depends on the business lead angle and quantity of begins on the worm – and 
because increased performance is always an objective, the ratio ought to be kept as low as possible. To run correctly, worms and worm gears utilized together must have the same diametral pitch and threads.
Our complete line of worms and worm gears could be ordered through the Boston Gear Guaranteed Same Day time Shipment Plan for the fastest delivery possible.