Best choice of gearing when high drive reduction is required. Worm Wheels resemble spur gears by adding a throat cut in to the O.D. of wheel. The throat permits the worm wheel to fully 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 certainly their capability to prohibit back Worm wheel gear driving

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