Most suitable choice of gearing when high drive decrease is required. Worm Wheels resemble spur gears with the help of a Worm wheel gear throat cut into the O.D. of wheel. The throat permits the worm wheel to fully envelope the threads of the worm. Threads, not really the teeth are cut on the 
worm, and by adjusting the number of threads, different ratios may be accomplished without altering mounting arrangements. A distinctive feature of Worm and Wheel assemblies is their ability to prohibit back driving
Pitch: 16 to 64 DP and 1.5 to .5 MOD
Materials: Brass for Worm Gear and Stainless Steel for Worm
Single, Double or Quad Start
