Most suitable choice of gearing when high 
drive decrease is required. Worm Tires 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 the teeth are cut on the worm, and by adjusting the amount of threads, different ratios can be achieved without altering mounting arrangements. A unique feature of Worm and Wheel assemblies is their ability to prohibit back Worm wheel gear driving
Pitch: 16 to 64 DP and 1.5 to .5 MOD
Material: Brass for Worm Gear and STAINLESS for Worm
Single, Dual or Quad Start