Spindle straight tooth gear 80.8A 0.5 modulus 8 teeth 0.75MM hole inner diameter Hollow cup motor gear Toy parts 4pcs

80.8A
80.8A gear: 8 teeth, 0.8A means it fits tightly with a shaft with a diameter of 0.8MM. The hole diameter is about 0.75 mm
0.5 means module, the module of this gear is 0.5
Calculation formula of outer diameter of gear: Outer diameter = (number of teeth 2) * 0.5

80.8A gear
Hole diameter: 0.95mm
Diameter: 4mm
Height: 5mm