Most suitable choice of gearing when high drive decrease is required. Worm Tires resemble spur gears with the addition of a throat cut into the O.D. of wheel. The throat permits the worm wheel to totally envelope the threads of the worm. Threads, not really tooth are cut on the worm, and by adjusting the amount of threads, different ratios may be accomplished without altering mounting Worm wheel gear arrangements. A distinctive feature of Worm and Wheel assemblies is definitely their ability to prohibit back driving

Pitch: 16 to 64 DP and 1.5 to .5 MOD
Material: Brass for Worm Gear and Stainless Steel for Worm
Single, Double or Quad Start