Sallex Machine Tools offers Multi Start Worm and Wheel Gears. Sallex Machine Tools supplies a wide range of Gears, Worms, Screws, Special Taps and thread rolls for various industrial applications. The Multi Start Worm and Wheel Gears are worms and worm wheels available in a variety of diametrical pitches, modules and pressure angles to suit different applications. The Multi Start Worm and Wheel Gears come in a set made in both English and Metric dimensions.