Worm Gears are right angle drives providing large speed ratios on comparatively short center distances

Metro Sprocket & Gear specializes in the manufacture of short run high quality precision rigid specs worm gears, parts and assemblies to customer’s. However Metro can manufacture worm gears using the necessary metal or plastic to meet customer’s requirements. Metro recommends hardened steel and bronze for worm gears. However, depending on the application unhardened steel worms operate adequately and more economically with cast iron worm gears at 50% horsepower ratings. In addition to steel and hardened steel, worms are available in stainless, aluminum, bronze and nylon; worm gears are available in steel, hardened steel, stainless, aluminum, nylon and non-metallic (phenolic).