| Mod: | ST-5101 | ST-5102 | ST-5103 | ST-5104 |
| Drilling Range | 28 mm | 38 mm | 68 mm | 98 mm |
| Rated Input Power | 1450 W | 1620 W | 1720 W | 2080 W |
| No-Load Speed | 300 rpm | 650 rpm | 580 rpm | 520 rpm |
| Magnetic Adhesion | 13800N | 14500N | 15800N | 16800N |
| Rated Frequency | 50 Hz | 50 Hz | 50 Hz | 50 Hz |
| Rated Voltage | 220 V | 220 V | 220 V | 220 V |
