This is a stock motor that has a 5mm diameter shaft.
It's also great for all kinds of mechanical projects, robotics, and projects. It's fully compatible with the Generation 3, and Generation 4 MakerBot® Stepper Driver electronics.
Pre-assembled connector that is compatible with both the Stepper Driver v2.x and v22.x boards that we sell. Plug and play!
NEMA-17 is a standard motor mounting geometry. The outside of the motor housing is 1.7"x1.7".
*If your CupCake CNC or Thing-O-Matic® was purchased before 5/15/2011, please email us before ordering this item to install on your Bot. You will need the Motor pulleys with 5mm bore.