The DeWalt innovative EXTREME 2® SDS-Plus drill bit is amongst the best in terms of its speed, life and endurance. The drill bits contain the following features:
- Superior carbide grade for long life and greater durability.
- Optimised flute design allows efficient debris removal.
- Hardened body for extra strength and reduced breakage.
- New tip design ensures better bit penetration, longer life, faster drilling and greater durability.

The DeWalt DEWDT9579QZ Extreme 2 SDS-Plus drillbit has the following dimensions:
Size: 16.0mm x 200mm.