Product Description:Name:Spur GearModule: 2MNumber Of Teeth:26-41Material: 45# carbon metallic Gear thickness: 20mmShape: flat without steps Pitch Diameter: 6.28mm Quenching treatment: high-frequency tooth surfacePressure angle: 20 °Bore Diameter: Bore is rough machining and the precision is not high. Different batches may end up in several internal holes.The data is for reference only, please be successful in kind!Remark: If you've got special needs, please touch us, we are able to customize it according to your needs! Package Included: According to your choice!