40Cr Steel Motor Gear 20T (Module:0.5mm, Motor Tooth Diameter:3.175mm)

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Made of 20Cr Steel, hardening black treatment,stronger than the original gear, wear-resistance and better transmission. Number of teeth: 13T-23T, module: 0.5mm, Motor tooth diamete r: 3.175mm Round-shaped motor gear hole. Secure with two set screws 3x3. To ensure fitment, we suggest to check the gear paramaters before purchasing. All motors suitable for this data can be used. Show more