| Step Angle | 1.8° |
| Step Angle Accuracy | ±5% (full step,no load) |
| Resistance Accuracy | ±10% |
| Inductance Accuracy | ±20% |
| Temperature Rise | 80℃Max.(rated current,2 phase on) |
| Ambient Temperature | -10℃~+50℃ |
| Insulation Resistance | 100MΩMin. 500VDC |
| Dielectric Strength | 500VAC for one minute |
| Shaft Radial Play | 0.06Max.(450 g-load) |
| Shaft Axial Play | 0.08Max.(450 g-load) |
| Model No | Current/Phase | Resistance/Phase | Inductance/Phase | Holding Torque | #Of Leads | Weight | Length | |
| A | Ω | Mh | Oz-in | g-cm | Kg | mm | ||
| 20HS28-0204 | 0.20 | 24 | 8 | 2.2 | 160 | 4 | 0.05 | 28 |
| 20HS30-0506 | 0.50 | 11.5 | 1.7 | 2.5 | 180 | 6 | 0.06 | 30 |
| 20HS33-0604 | 0.60 | 6.5 | 2.2 | 2.8 | 200 | 4 | 0.07 | 33 |
| 20HS38-0604 | 0.60 | 10 | 5.5 | 5.6 | 400 | 4 | 0.08 | 38 |
| Diameter | lead distance(mm) | start | step length(mm) |
Aplicable Motor |
| M5 | 1.6 | 2 | 0.008 |
20HSL-E |
| Tr3.5 | 0.61 | 1 | 0.00305 |
20HSL-N |
| Tr5 | 2 | 2 | 0.01 |
20HSL-E |
| Tr6.5 | 3 | 2 | 0.015 |
20HSL-E |
Remark: Lead screw length and the nut for external type can be customized. The technical specifications and wiring diagram for the stepper motor see