163A spindle plastic gear 16 teeth 2.95mm hole diameter straight tooth motor gear model toy DIY parts (4pcs)

163A gear: 16 teeth, 3A means it fits tightly with a shaft with a diameter of 3MM. The hole diameter is about 2.95 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

163A gear
Hole diameter: 2.95mm
Diameter: 9mm
Height: 5mm