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The Husqvarna VARI‑DRILL D20 107 mm is a silver‑grade diamond core drill designed for medium to heavy‑duty wet drilling in hard concrete, reinforced concrete, granite and masonry. Its universal 11/4″ UNC female connection delivers secure compatibility with professional core drill motors.
Laser‑welded diamond segments attached to a robust steel barrel ensure resistance to segment loss under demanding conditions. The 11/4″ UNC female thread offers stable and precise mounting to core drill units.
| Specification | Details |
|---|---|
| Part number | 582 00 58‑01 |
| Diameter | 107 mm |
| Core length | 500 mm |
| Drill connection | 11/4″ UNC female |
| Coolant | Wet |
| Power range | 1.5-4 kW |
| Number of segments | 9 |
| Segment length | 24 mm |
| Segment width | 3.5 mm |
| Segment height | 9 mm (+ 2 mm clearance) |
Contractors report rapid, precise drilling with minimal vibration, even in the hardest materials. The wet-capable design ensures extended diamond life, clean operation and adaptability across multiple core drilling scenarios.
Q: Can this drill bit be used dry?
A: Yes - it can be used wet or dry, though wet drilling extends segment lifespan and improves cutting efficiency.
Q: Which drill motors is it compatible with?
A: The universal 11/4″ UNC female thread fits Husqvarna DM‑series motors (DM 430, DM 700) and other standard core drilling rigs.
Q: Is it suitable for making service penetrations?
A: Absolutely - the 107 mm diameter and 500 mm core depth make it ideal for plumbing, ventilation and utility channel drilling.
