{
 "made_in": "unknown",
 "hts": "unknown",
 "compliance": {
  "ndaa": "unknown",
  "blue_uas": "unknown",
  "fcc": "n/a",
  "notes": ""
 },
 "equivalents": [],
 "pairs_with": [],
 "maglev": {
  "custom": "Shenzhen stepper makers in Maglev's directory: Stonker Motor and Wanzhida (stepper motors), Zhongling (integrated step motors). None benchmarked against this part.",
  "directory_ref": null
 },
 "lead_time": "unknown",
 "id": "mo-stepperonline-23hs45-4204s",
 "name": "NEMA 23 Bipolar Stepper 3.0 N·m 4.2 A 113 mm (23HS45-4204S)",
 "subcategory": "steppers",
 "brand": "StepperOnline",
 "mpn": "23HS45-4204S",
 "summary": "High-torque 57 mm NEMA 23 hybrid stepper with 10 mm shaft; a cheap workhorse for CNC routers and heavier linear axes.",
 "maker": {
  "name": "StepperOnline (OMC Corporation)",
  "country": "CN",
  "role": "brand"
 },
 "specs": {
  "frame_size": {
   "label": "Frame size",
   "value": "NEMA 23 (57 mm max)",
   "num": 57,
   "unit": "mm"
  },
  "holding_torque_nm": {
   "label": "Holding torque",
   "value": "3.00 N·m",
   "num": 3,
   "unit": "N·m"
  },
  "rated_current_a": {
   "label": "Rated current",
   "value": "4.2 A/phase",
   "num": 4.2,
   "unit": "A"
  },
  "step_angle_deg": {
   "label": "Step angle",
   "value": "1.8°",
   "num": 1.8,
   "unit": "deg"
  },
  "length_mm": {
   "label": "Body length",
   "value": "113 mm max",
   "num": 113,
   "unit": "mm"
  },
  "integrated_driver": {
   "label": "Integrated driver",
   "value": "No",
   "num": null,
   "unit": ""
  },
  "resistance_ohm": {
   "label": "Phase resistance",
   "value": "0.90 Ω ±10% @25°C",
   "num": 0.9,
   "unit": "Ω"
  },
  "inductance_mh": {
   "label": "Phase inductance",
   "value": "3.80 mH ±20% @1 kHz",
   "num": 3.8,
   "unit": "mH"
  },
  "rotor_inertia_gcm2": {
   "label": "Rotor inertia",
   "value": "800 g·cm²",
   "num": 800,
   "unit": "g·cm²"
  },
  "mass_g": {
   "label": "Mass",
   "value": "1.60 kg",
   "num": 1600,
   "unit": "g"
  },
  "shaft": {
   "label": "Shaft",
   "value": "Ø10 mm",
   "num": 10,
   "unit": "mm"
  }
 },
 "price": [
  {
   "qty": 1,
   "usd": 28.7,
   "kind": "reported",
   "source": "https://www.omc-stepperonline.com/nema-23-bipolar-3nm-425oz-in-4-2a-57x57x114mm-4-wires-stepper-motor-cnc.html",
   "as_of": "2026-10-29"
  },
  {
   "qty": 10,
   "usd": 26.12,
   "kind": "reported",
   "source": "https://www.omc-stepperonline.com/nema-23-bipolar-3nm-425oz-in-4-2a-57x57x114mm-4-wires-stepper-motor-cnc.html",
   "as_of": "2026-10-29"
  },
  {
   "qty": 100,
   "usd": 23.97,
   "kind": "reported",
   "source": "https://www.omc-stepperonline.com/nema-23-bipolar-3nm-425oz-in-4-2a-57x57x114mm-4-wires-stepper-motor-cnc.html",
   "as_of": "2026-10-29"
  }
 ],
 "moq": 1,
 "links": {
  "product": "https://www.omc-stepperonline.com/nema-23-bipolar-3nm-425oz-in-4-2a-57x57x114mm-4-wires-stepper-motor-cnc.html",
  "datasheet": "https://www.oyostepper.com/images/upload/File/23HS45-4204S.pdf",
  "cad": null
 },
 "sources": [
  {
   "url": "https://www.oyostepper.com/images/upload/File/23HS45-4204S.pdf",
   "what": "23HS45-4204S drawing/spec sheet (Oyostepper-branded copy of the same part): torque, current, R, L, inertia, mass, dimensions"
  },
  {
   "url": "https://www.omc-stepperonline.com/nema-23-bipolar-3nm-425oz-in-4-2a-57x57x114mm-4-wires-stepper-motor-cnc.html",
   "what": "price tiers ($28.70 qty1 ... $23.97 qty100) from search-indexed omc-stepperonline listing; direct fetch returned 403"
  }
 ],
 "confidence": "REPORTED",
 "category": "motors",
 "subcategory_title": "Stepper & Integrated Stepper Motors",
 "icon": "stepper",
 "image": {
  "url": "https://parts.trymaglev.com/img/mo-stepperonline-23hs45-4204s.webp",
  "thumb": "https://parts.trymaglev.com/img/t/mo-stepperonline-23hs45-4204s.webp",
  "source_image": "https://m.media-amazon.com/images/I/61GNLS91CQL._AC_SL1100_.jpg",
  "source_page": "https://www.amazon.com/dp/B00PNEPW4C",
  "background": "removed (Apple Vision)",
  "as_of": "2026-10-29"
 },
 "origin": {
  "code": "CN",
  "basis": "hq"
 },
 "hts_resolved": {
  "code": "8501.10.40.40",
  "typical": true,
  "key": "stepper-motors",
  "basis": "subcategory",
  "confidence": "low",
  "note": "Stepper AC/DC and output treatment varies; no ruling checked in this pass."
 },
 "us_duty_by_origin": {
  "as_of": "2026-10-29",
  "rates": [
   {
    "origin": "CN",
    "duty_pct": 41.9,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "TW",
    "duty_pct": 10,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "VN",
    "duty_pct": 16.9,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "IN",
    "duty_pct": 14.4,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "JP",
    "duty_pct": 12.5,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "KR",
    "duty_pct": 12.5,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "DE",
    "duty_pct": 10,
    "possible_pct": 0,
    "usmca": false
   },
   {
    "origin": "MX",
    "duty_pct": 14.4,
    "possible_pct": 0,
    "usmca": true
   },
   {
    "origin": "US",
    "duty_pct": 0,
    "possible_pct": 0,
    "usmca": false
   }
  ]
 },
 "url": "https://parts.trymaglev.com/p/mo-stepperonline-23hs45-4204s/",
 "markdown": "https://parts.trymaglev.com/p/mo-stepperonline-23hs45-4204s/index.md",
 "equivalents_detail": [],
 "pairs_with_detail": []
}