| MODEL | | NDM40A | NDM40B | NDM50A | NDM50B | NDM50C | NDM65B | NDM75 |
| Drilling Capacity in solid mild street | | 40 mm | 40mm | 50mm | 50 mm | 50 mm | 65 mm | 75 mm |
| Drilling Capacity in cast iron | | 50 mm | 50mm | 60 mm | 60mm | 60 mm | 75 mm | 85 mm |
| Dia of column | A | 0.23 | 255 | 255 | 310 | 310 | 355 | 405 |
| Drilling Radius minimum | B | 550 | 375 | 525 | 450 | 425 | 650 | 675 |
| Drilling Radius maximum | C | 1050 | 950 | 1125 | 1100 | 1325 | 1600 | 1950 |
| Machine height from floor | D | 2420 | 2420 | 2760 | 2760 | 2760 | 3170 | 3320 |
| Distance from spindle nose to top of the base plats minimum Spindle In downward position | E | 50 | 100 | 75 | 100 | 100 | 100 | 100 |
| Distance from spindle nose to top of the base plate minimum Spindle In upward position | F | 1000 | 1150 | 1200 | 1300 | 1300 | 1600 | 1750 |
| Drilling Depth | G | 180 | 180 | 225 | 225 | 225 | 325 | 325 |
| Working surface of Base plate | | 885 X 545 | | 975 655 | | 1150x655 | 1460x645 | 1735x940 |
| Dimension of Base | RxSxT | 1470x705 X180 | | 1645x835 x2W | | 1755x635 x200 | 2370x1015 x 210 | 2640x1110 K 210 |
| Effective area of box Table | LxKxM | 330|3330 | | 55 *°4M00 | | 600x450 x450 | 600 x 4S0 X450 | 600 x450 x«0 |
| No. of spindle speeds & Range (RPM.xSteps) | | 45 - 660 x 6 Steps | | 40 - 790 x 9 Steps | | | 25-930 12 Steps | 20-740 12 Steps |
| No. of spindle feeds of Range (Per Rev. xsteps) | | 0.095-0215 3 Steps | | 0.080-0.180 3 Steps | | | 0.10-1.25 6 Steps |
| Taper Spindle nose socket | | MT4 | MT4 | MT5 | MT5 | MT5 | MT5 | MT6 |
| Main Motor | | 2 HP | 2 HP | 3 HP | 3 HP | 3 HP | 5 HP | 7.5 HP |
| Elevating Motor | | 1HP | 1 HP | 2 HP | 2 HP | 2 HP | 3 HP | 5 HP |
| Total weight of Machine (approx.) Kgs. | | 1700 Kg | 2000 Kg | 2500 Kg. | 3000 Kg. | 3200 Kg. | 4800 Kg. | 6500 Kg. |