Most suitable choice of gearing when high drive reduction 
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 Worm wheel gear envelope the threads of the worm. Threads, not really tooth 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 capability to prohibit back 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