● Hole Size: 4mm 5mm 6mm 7mm 8mm 10mm 12mm. ● Number of Teeth: 12Teeth 15Teeth 16Teeth 18Teeth 20Teeth 22Teeth 24Teeth 25Teeth 28Teeth 30Teeth 40Teeth 50Teeth. ● Pitch: 3.14mm. Brass Gear Is a Material with Excellent Performance, with Excellent Corrosion Resistance, Electrical Conductivity and Machinability.
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