DM 406 H is our powerful hydraulic core drill for drilling holes up to 650 mm diameter. An excellent choice for heavy-duty core drilling applications where high production rates are needed, especially with large diameter core bits. The hydraulic speed can be changed whilst drilling, making the DM 406 H efficient and very easy to use. Suitable for large and deep holes, waste evacuation pipes and stitch drilling in a variety of materials including reinforced concrete.
Drill bit diameter with stand, max 650 mm
Hydraulic pressure, max 140 bar
| Dimensions | |
| Water connector | R 1 / 2" |
| Weight | 16 kg |
| Product size length | 260 mm |
| Product size width | 8.3 mm |
| Drilling equipment | |
| Drill bit diameter with stand, max | 650 mm |
| Drill bit diameter, max | 650 mm |
| Recommended drill bit diameter, min | 50 mm |
| Hydraulics | |
| Hydraulic pressure, max | 140 bar |
| Sound and noise | |
| Sound power level, guaranteed (LWA) | 113 dB(A) |
| Sound power level, measured | 112 dB(A) |
| Sound pressure level at operators ear | 98 dB(A) |
| Specifications | |
| Water pressure, max | 8 bar |
| Spindle thread, outer | 1 1/4" 7 UNC |
| Transmission | |
| Number of gearbox speeds | 2 |