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This is high torque Nema 17 stepper motor with 1.8 deg. step angle (200 steps/revolution). Each phase draws 2A, allowing for a holding torque of 45Ncm(63.7oz.in).
It's ideal for the RepRap Prusa, Mendel 90, Rostock and similar 3D printers, as well as CNC and robotics applications.
The motor is supplied with a 1 metre long power cable with a 4-pin Harwin female connector already fitted - ready to plug and print!
100% brand new of "STEPPERONLINE", and ROHS and CE certificated.
Electrical Specification:
* Manufacturer Part Number: 17HS16-2004S
* Motor Type: Bipolar Stepper
* Step Angle: 1.8 deg.
* Holding Torque: 45Ncm(63.7oz.in)
* Rated Current/phase: 2A
* Phase Resistance: 1.1ohms
* Inductance: 2.6mH+/-20%(1KHz)
Physical Specification:
* Frame Size: 42 x 42mm
* Body Length: 40mm
* Shaft Diameter: 5mm
* Shaft Length: 23mm
* D-cut Length: 21mm
* Number of Leads: 4
* Lead Length: 1000mm
* Weight: 310g
Connection:
Black(A+), Green(A-), Red(B+), Blue(B-)
Warning:
* As a stepper motor, it should connect to a constant current or chopper driver. Connecting the motor directly to a power supply will destroy the motor.
* To choose a driver, please make sure the driver's output current not higher than motor rated current, and voltage not higher than 36V.
* Please take care of four wires coils order when you connecting to driver, or it will damage your driver.
Pete
2025-08-11 18:35:01
I bought this motor is replace the weak extruder motor on my Wanhao Duplicator i3 v2 that I recently changed to a RAMPS 1.4 board. I've been using it all weekend, and so far everything is working out pretty good. I haven't gotten around to reinstalling my Flexion extruder kit back on after changing back to the stock block with the all-metal upgrades, but this thing can definitely power that. Not that noisy (although nothing is that noisy when sitting next to the fans that came on the Wanhao), and haven't had any clogs or skipped steps yet.I know the stock motor is 34mm, but a 6mm difference is negligible for me, and the tradeoff in torque gain was worth it.One note though, I had to remove some metal from the heatsink to make it fit, since the shaft is a bit longer than stock as well. Also, be sure to adjust your voltage, because the stock motors run at a pretty significantly lower voltage than these.
TpK
2025-07-08 20:02:21
Needed a cheap stepper motor to test a new driver IC eval board. It's working with no issues
Jesse
2025-06-07 21:01:58
I use a lot of stepper motors and I've never had an issue with these. They work well with every driver I've used them with and the threading and dimensions are always very accurate for installation in a variety of projects.
BP
2025-06-06 10:34:37
As others have stated, they pull a ton of current. I'm safely using L298 units to drive this stepper with regulated voltage and current. When I tried with unregulated power, my poor H-bridge almost got toasted. The motors work as intended now.
Mikey Boy
2025-05-24 09:40:06
This motor is a beast. Using it on my Wanhao DI3. With a Flexion HT extruder. With the torque that this motor provides, i am able to tighten the jam nut much tighter than what i would before. Print quality and torque are very noticeable. Had to adjust stepper driver for 1.44v. The motor is a beast.
Larry Smith
2025-04-03 13:10:51
I ordered two of these to replace my Z motors on a RepRapGuru I3 machine. Only one motor was bad, but figured it would be best to replace as a matched pair and pull the good one aside for a standby replacement for any other failures.They were a bolt-up, drop in replacement for the stock motors. Though, this item has a higher amperage rating and slightly higher torque, so I can under-drive them a little an lose nothing in the trade.
Melissa Holman
2025-03-03 12:13:31
This product was good at first but it didn't fit my need of precision. It will miss steps in both directions and the momentum of a rotation can cause it to "bounce" back and forth before it completely stops. No other problems and it worked as expected.
Andrew R
2025-01-24 12:35:40
I've been using this brand of steppers for years and haven't had any issue what so ever. Highly recommend this stepper for a 3d printer.
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