World's smallest exchangeable drill head series

Featuring superior cutting performance of solid carbide drills and the ease-of-use of the DrillMeister exchangeable head drill series, AddMeisterDrill addresses the needs for minimal hole diameters from 4.5 mm or .177″.

AddMeisterDrill exchangeable head drill technology eliminates the need for regrinding and also reduces the number of required setups, thus simplifying the tool inventory management. Its 4.5 mm diameter drill heads are preset in a dedicated key for easy and quick drill head fastening to the drill body. Furthermore, internal coolant outlets on the drill body are optimized for effective chip evacuation, providing drilling stability.

The drill heads are available in the DMP geometry, the first choice for general machining, in AH725 insert grade, ensuring high productivity and long tool life across a wide range of material groups.

The exchangeable heads ensure a stable tool life as the cutting head is always new and reliable, the optimized coating thickness provides long tool life and the consistent coating quality provides superiors too life predictability.

Tungaloy has special drill bodies featuring chamfering or counter boring capabilities with indexable inserts and heads. This can reduce down time and tool management compared to a solid drill.