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The advisable materials for the worm are hardened metal and bronze for the worm equipment. Nevertheless, dependent on the software, unhardened steel worms can run adequately and a lot more economically on cast iron worm gears rated at fifty%. In addition to metal and hardened metal, worms are obtainable in stainless steel, aluminum, bronze, and nylon worm gears are available in steel, hardened steel, stainless steel, aluminum, nylon, and non-metallic (phenolic).
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