It's a NEMA 17 Stepper Motor with a precision Acme threaded rod for a shaft!
This is a custom manufactured NEMA 17 motor that has a precision Acme threaded rod for a shaft. You get the brass threaded carriage nut, 2mm mounting screws, and detachable motor wiring harness, (42 in.) included.
This threaded rod NEMA 17 is the same motor used to drive the Thing-O-Matic®
Z-Stage. It has good torque and a small size. Here are some of the specs:
Manufacturer: Moons Motors
200 steps per revolution (1.8 deg/step)
2 Phase
Rated Voltage 12V DC
Rated Current (peak value when microstep 0.4A
Source Voltage 24V DC
Coil Resistance/phase: 30 Ohm ± 10% (20º C)
Coil Inductance/phase: 45mH ± 20% (1kHz 1 V rms)
Holding torque: 0.24N.m Min.
Detent torque: Approximately 12mN.m
Shaft diameter: 5mm / 0.188" (3/16")
Shaft length: 150mm with 5mm unthreaded cap
Motor depth: 34mm
Acme Lead Screw Tr8x8(P2)
This motor is great for all kinds of mechanical projects, robotics, and sweet new machines. It's fully compatible with the MakerBot® Generation 3 and Generation 4 Stepper Driver electronics and Motherboards. Plug and play! It comes with an extra long 42" lead wire, and requires no splicing or soldering! The NEMA-17 mounting holes are standard motor mounting geometry. So it's a project motor ready for lots of applications. The outside of the motor housing is 1.7"x1.7".