The Husqvarna VARI‑DRILL D20 200 mm is a premium diamond core drill bit engineered for demanding wet drilling, with occasional dry use. Its 11/4″ UNC female connection ensures compatibility with heavy‑duty core drill motors like Husqvarna DM-series.
Precision-manufactured with laser-welded diamond segments on a robust steel barrel, this bit resists segment loss in high-stress conditions. The secure 11/4″ UNC female thread provides stable, wobble-free mounting for professional drilling equipment.
| Specification | Details |
|---|---|
| Part number | 582 00 66‑01 |
| Diameter | 200 mm |
| Core length | 450 mm |
| Drill connection | 11/4″ UNC female |
| Coolant | Wet (occasional dry) |
| Power range | 1.5-4 kW |
| Number of segments | 14 |
| Segment length | 24 mm |
| Segment width | 4.0 mm |
| Segment height | 11 mm (+2 mm clearance) |
| Weight | approx. 8-8.5 kg |
Professionals report fast, precise drilling with minimal vibration across hard materials. Wet drilling dramatically improves segment longevity, while the option for dry use provides added flexibility.
Q: Can this be used dry?
A: Yes - it supports occasional dry drilling, but wet use is recommended to extend diamond life.
Q: Which drill motors is it compatible with?
A: The 11/4″ UNC thread fits Husqvarna DM-series motors such as DM 430 and DM 700, as well as other standard core drill rigs.
Q: Is it suitable for service penetrations?
A: Definitely - the 200 mm diameter and 450 mm core depth makes it ideal for plumbing, HVAC, ventilation, and utility channel drilling.
At Express Tools, all items are delivered directly from the manufacturer or importer. This means stock shortages are kept to a minimum.
If you'd like to check availability before placing an order, please call us on +44 (0)1202 233202