Dual Shaft Nema 34 CNC Stepper Motor Bipolar 1.8 Deg 8.5Nm 5V 5A 86x114mm for CNC Router Mill Lathe
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Manuals and Documentation:
Full Datasheet:
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This NEMA 34 stepper motor measures 86 mm square, 114 mm long, draws 5.0 A per phase, and holds 8.5 Nm (1204 oz‑in). The rear shaft accepts an encoder or handwheel.
Electrical Specification
Manufacturer Part Number: 34HS46-5004D
Motor Type: Bipolar Stepper
Step Angle: 1.8 deg
Holding Torque: 8.5Nm(1204oz.in)
Rated Current/phase: 5.0A
Voltage: 5V
Phase Resistance: 1.0ohms
Inductance: 11mH ± 20%(1KHz)
Physical Specification
Frame Size: 86 x 86mm
Body Length: 114mm
Shaft Diameter: Φ14mm
Front Shaft Length: 37mm
Rear Shaft Length: 34mm
D-cut Length: 25mm
Number of Leads: 4
Lead Length: 300mm
Weight: 3.6kg
Connection
| A+ | A- | B+ | B- |
| Red | Green | Yellow | Blue |
| Electrical Specification | |
|---|---|
| Bipolar/Unipolar | Bipolar |
| Holding Torque (Ncm) | 850 |
| Holding Torque (oz.in) | 1204 |
| Inductance(mH) | 11 |
| Phase Resistance(ohm) | 1 |
| Rated Current (A) | 5 |
| Step Angle(°) | 1.8 |
| Physical Specification | |
| Body Length(mm) | 114 |
| Frame Size(mm) | 86x86 |
| Single Shaft/Dual Shaft | Dual Shaft |
| Shaft Type | D-Cut |
| Shaft Diameter(mm) | 14 |
| Shaft Length(mm) | 37 |
| No. of Lead | 4 |
| Lead Length(mm) | 300 |
| Weight(g) | 3600 |
- Connectors: Molex, Harwin, Tyco/AMP, JST etc.
- Lead wires & cables: Special lengths, Protective hose
- Shaft: Round, D-Cut, Cross drilled, Key-Way, Thread or Hollow
- Winding: Resistance, Inductance, Rated Current, etc.
Mr. Thuan Co Tran – 19 Jun 2024

This stepper motor works great in my CNC router, easy to connect to the Arduino and works well with my stepper drivers. It also runs great, doesn't overheat and is virtually noiseless. Would buy again and recommend to anyone building their own CNC with an Arduino.
- Tag:
- Dual Shaft






