This motor gear uses 45CR steel to resist wear and keep tooth profiles stable over time. With 20 teeth at 48 pitch it delivers predictable power transmission, and the rounded bore with module 0.5mm plus 10mm thickness matches motors that use a 5mm tooth diameter. It is a straightforward upgrade for hobbyists aiming for consistent mesh and reduced slop.
Motor Gear 20T(48 Pitch,Module: 0.5mm,Motor Tooth Diameter: 5mm) - GPM MG520T/0.5M
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