Product Description: 【Type】: Brass Gear 【Material】: brass 【Number of teeth】: 16 teeth 【Outer diameter】: 9MM 【Thickness】: 5MM 【Bore diameter】: 4.97MM 【Module】: 0.5 module 【Description】: 0.5 module copper gears, hole 4.97MM tight with 5mm shaft, spindle gear and motor shaft is 5MM tight with. (Generally used in 775, 755 model motor gears, their spindles are generally 5mm diameter) 【Application】: Bore 497MM, the gear set into the shaft is very tight, good first heat the gear and then set to go, after cooling the set tight.
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