For producing of boardings in the construction economy. Drilling through wooden ceilings and wooden floors for installations when refurbishing old buildings.
1000–2500 RPM.
characteristics
Tool Steel; zylindrical shank. All bits are made in a special manufacturing method (not soldered), absolutely break-proof and insensible to the highest stress and strain. No loosening of the drills portion from the shank. Can be resharpened easily, robust and indestructible.
