Most suitable choice of gearing when high drive reduction is required. Worm Wheels resemble spur gears by Worm wheel gear adding a throat cut into the O.D. of wheel. The throat permits the worm wheel to fully envelope the threads of the worm. Threads, not teeth are cut on the worm, and by adjusting the amount of threads, different ratios may 
be accomplished without altering mounting arrangements. A distinctive feature of Worm and Wheel assemblies can be 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, Dual or Quad Start