It seems you are describing a plastic worm gear with dimensions 30mm in diameter and 20mm for the length or height. Worm gears consist of a cylindrical screw (the worm) that meshes with a toothed wheel (the worm gear).
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It seems you are describing a plastic worm gear with dimensions 30mm in diameter and 20mm for the length or height. Worm gears consist of a cylindrical screw (the worm) that meshes with a toothed wheel (the worm gear).
Key Features
1. The gear has an outer diameter of 30mm, making it ideal for compact and medium-sized mechanical systems.
2. The 20mm length provides sufficient contact area for the worm gear to mesh with a corresponding gear, ensuring reliable power transmission.