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The Husqvarna VARI‑DRILL D20 172 mm is a silver-grade, medium to heavy-duty diamond core drill bit designed for both wet and occasional dry drilling in hard concrete, reinforced concrete and masonry. Featuring a universal 11/4″ UNC female connection, it fits most professional core drill motors.
Laser‑welded diamond segments are securely attached to a robust steel barrel, minimising segment loss under demanding conditions. The standard 11/4″ UNC female thread ensures stable, wobble‑free mounting.
| Specification | Details |
|---|---|
| Part number | 582 00 64‑01 |
| Diameter | 172 mm |
| Core length | 500 mm |
| Drill connection | 11/4″ UNC female |
| Coolant | Wet & occasional dry |
| Power range | 1.5-4 kW |
| Number of segments | 13 |
| Segment length | 24 mm |
| Segment width | 4.0 mm |
Contractors report fast, precise drilling with minimal vibration in hard materials. The wet/dry capability adds flexibility, and the robust build ensures long-term durability. This variant specifically delivers optimum performance in heavy-duty applications like plumbing, HVAC, and ventilation channel drilling.
Q: Can this be used dry?
A: Yes - it supports both wet and occasional dry drilling, though wet use is recommended to maximise segment lifespan.
Q: Which drill motors is it compatible with?
A: The 11/4″ UNC female thread fits Husqvarna DM-series motors (e.g., DM 430, DM 700) and other standard core drill rigs.
Q: Is it suitable for service penetrations?
A: Absolutely - its 172 mm diameter and 500 mm core depth make it ideal for plumbing, 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
