Single piece flat gear manufactured from 45# steel for durable performance in small mechanical drives. Designed in 2M module with teeth counts ranging from 20 to 29, this gear offers a straightforward replacement option for 2M gear trains. The 2M 20T version includes a 10 mm bore. Key benefits Durable 45# steel construction for strength and wear resistance 2M module compatibility enables easy integration with other 2M gears and gear trains Multiple tooth counts (20 through 29) provide flexible gear ratio options Flat gear design allows simple mounting in compact or shallow spaces Sold as a single piece for easy ordering and replacement Key attributes Type: Flat gear with teeth Module: 2M Teeth: 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 Material: 45# steel Bore: 10 mm hole available on the 2M 20T variant Package quantity: 1 piece Compatibility and performance Suitable for 2M gear assemblies and compatible systems requiring flat gears Provides reliable meshing and consistent gear engagement in lightweight to mid duty applications 45# steel offers good strengthtoweight ratio and workable hardness for gear teeth Use cases Replacing worn or damaged gears in small 2M module gearboxes used in hobby robotics or model projects Building compact gear trains for DIY automation, educational kits, or prototype mechanisms where space is limited Upgrading or repairing small transmission sections in hobbyist CNC, RC cars, or custom mechanical assemblies Notes This listing is for a single piece The specification '(2M 20T hole 10mm)' denotes the bore option for the 2M 20T variant included in the product offering 2M teeth counts in the 20–29 range provide versatile gearing options without changing the overall system layout