Most suitable choice of gearing when high drive decrease is required. Worm Wheels resemble spur gears with the addition of a throat cut in to 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 Worm wheel gear amount of threads, different ratios can be achieved without altering mounting arrangements. A distinctive feature of Worm and Wheel assemblies is definitely their capability to prohibit back driving

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