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The Husqvarna VARI‑DRILL D20 225 mm is a heavy-duty diamond core drill bit ideal for demanding wet drilling with optional dry usage. It features a universal 11/4″ UNC female connection, compatible with Husqvarna DM-series and most professional core drill motors.
Constructed with laser-welded diamond segments on a solid steel barrel, this bit resists segment detachment under intense pressure. The 11/4″ UNC female thread ensures stable and vibration-free mounting in heavy-duty applications.
| Specification | Details |
|---|---|
| Part number | 582 00 67‑01 |
| Diameter | 225 mm |
| Core length | 450 mm |
| Drill connection | 11/4″ UNC female |
| Coolant | Wet with occasional dry |
| Power range | 1.5-4 kW |
| Number of segments | 16 |
| Segment length | 24 mm |
| Segment width | 4.2 mm |
| Weight | approx. 9-9.5 kg |
Users highlight the bit's ability to deliver smooth, precise drilling with minimal vibration even in dense materials. Wet drilling prolongs the diamond life, and occasional dry use increases operational flexibility. The robust build and substantial segment size offer long-term durability on challenging sites.
Q: Can this be used dry?
A: Yes - occasional dry use is possible, but wet operation is recommended for optimal performance and tool life.
Q: What drill motors is it compatible with?
A: The 11/4″ UNC female connection fits Husqvarna DM-series motors (DM 430, DM 700) and most standard professional core drill rigs.
Q: Is it suitable for service penetrations?
A: Definitely - the 225 mm diameter and 450 mm core length make it perfect for plumbing, HVAC, ventilation and utility channel drilling.
