Most suitable choice of gearing when high drive decrease is required. Worm Wheels resemble spur gears by adding a throat cut into the O.D. of wheel. The throat Worm wheel gear permits the worm wheel to fully envelope the threads of the worm. Threads, not tooth are cut on the worm, and by adjusting the amount of threads, different ratios may be accomplished without altering mounting arrangements. A unique feature of Worm and Wheel assemblies is definitely their capability 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