NEMA 23 Bipolar Stepper 3.0 N·m 4.2 A 113 mm (23HS45-4204S)
StepperOnline · MPN 23HS45-4204S · Maglev ID mo-stepperonline-23hs45-4204s
CN Maker in China, factory not confirmed unknown REPORTED
High-torque 57 mm NEMA 23 hybrid stepper with 10 mm shaft; a cheap workhorse for CNC routers and heavier linear axes.
Specifications
| Frame size | NEMA 23 (57 mm max) |
|---|---|
| Holding torque | 3.00 N·m |
| Rated current | 4.2 A/phase |
| Step angle | 1.8° |
| Body length | 113 mm max |
| Integrated driver | No |
| Phase resistance | 0.90 Ω ±10% @25°C |
| Phase inductance | 3.80 mH ±20% @1 kHz |
| Rotor inertia | 800 g·cm² |
| Mass | 1.60 kg |
| Shaft | Ø10 mm |
Who makes it
MakerStepperOnline (OMC Corporation)
Based inChina
RoleBrand owner
Shenzhen stepper makers in Maglev's directory: Stonker Motor and Wanzhida (stepper motors), Zhongling (integrated step motors). None benchmarked against this part.
Landed cost in the US
CN
41.9%
TW
10%
VN
16.9%
IN
14.4%
JP
12.5%
KR
12.5%
DE
10%
MX
14.4%
US
0%
Total US duty on this part by where it is made (2026-10-29). Mexico shown before USMCA preference; qualifying goods enter duty free. Your factory choice, not the shipping port, sets the origin.
Loading duty data…
Compliance
| HTS classification | 8501.10.40.40 typical, not a ruling |
|---|---|
| NDAA | unknown |
| Blue UAS | unknown |
| FCC | n/a |
Sources
- https://www.oyostepper.com/images/upload/File/23HS45-4204S.pdf23HS45-4204S drawing/spec sheet (Oyostepper-branded copy of the same part): torque, current, R, L, inertia, mass, dimensions
- https://www.omc-stepperonline.com/nema-23-bipolar-3nm-425oz-in-4-2a-57x57x114mm-4-wires-stepper-motor-cnc.htmlprice tiers ($28.70 qty1 ... $23.97 qty100) from search-indexed omc-stepperonline listing; direct fetch returned 403
Record confidence: REPORTED. VERIFIED means the maker's own documents; REPORTED means a credible third party; UNVERIFIED means a single weak source. Anything we could not confirm says unknown.