| Specification | ST-205Ⅱ | ST-265Ⅱ |
| Max. Machining Diameter | Ø20 mm | Ø26 mm |
| Max. Machining Length | 240 mm | 240 mm |
| Front Drilling Diameter | Max. Ø10 mm | Max. Ø10 mm |
| Front Threading Capacity | Max. M8 | Max. M8 |
| Spindle Through-Hole Diameter | 23 mm | 28 mm |
| Control System | Mitsubishi M80LA System | Mitsubishi M80LA System |
| Spindle Speed | Max. 8,000 r/min | Max. 8,000 r/min |
| Side Milling Max. Drilling | Max. Ø10 mm | Max. Ø10 mm |
| Side Milling Max. Tapping | Max. M8 (Copper) | Max. M8 (Copper) |
| Side Milling Max. Speed | Max. 5,000 r/min | Max. 5,000 r/min |
| Back Spindle Max. Clamping Diameter | 20 mm | 20 mm |
| Back Spindle Max. Extension | 60 mm | 60 mm |
| Back Spindle Max. Drilling | Max. Ø10 mm (Copper) | Max. Ø10 mm (Copper) |
| Back Spindle Threading | Max. M8 (Copper) | Max. M8 (Copper) |
| Back Spindle Speed | Max. 8,000 r/min | Max. 8,000 r/min |
| Back Tool Drilling Diameter | Max. Ø10 mm | Max. Ø10 mm |
| Turning Tools | 5×□12 + 1×□16 | 5×□12 + 1×□16 |
| Side Milling Power Tool Holders | 2×ER11 + 3×ER16 (2 Quick-Change Units) | 2×ER11 + 3×ER16 (2 Quick-Change Units) |
| Front Fixed Tool Holders | 5×ER16 | 5×ER16 |
| Back Spindle Face Power Tool Holders | 2×ER16 Fixed + 2×ER16 Rotating (Expandable with 2×ER16 Fixed, Optional) | 2×ER16 Fixed + 2×ER16 Rotating (Expandable with 2×ER16 Fixed, Optional) |
| Rapid Traverse Speed | 32 m/min (Y1/X2), 20 m/min (X1), 24 m/min (Z1/Z2) | 32 m/min (Y1/X2), 20 m/min (X1), 24 m/min (Z1/Z2) |
| Spindle Motor Power | 3.7 kW / 5.5 kW | 3.7 kW / 5.5 kW |
| Sub-Spindle Motor Power | 3.7 kW / 5.5 kW | 3.7 kW / 5.5 kW |
| Back Spindle Face Milling Motor Power | 1.0 kW | 1.0 kW |
| Power Head Motor Power | 1.0 kW (Side Milling) | 1.0 kW (Side Milling) |
| Feed Motor Power | 1.0 kW (X1/Y1/Z1/X2/Z2) | 1.0 kW (X1/Y1/Z1/X2/Z2) |
| Total Machine Power | 12 kW | 10 kW |
| Machine Weight | 2,600 kg | 2,800 kg |