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Best Worm wheel gear choice of gearing when high drive decrease 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 number of threads, different ratios may be accomplished without altering mounting arrangements. A distinctive feature of Worm and Wheel assemblies is definitely their ability 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, Double or Quad Start