The special cutting edge geometry of the Forstner drill prevents unwanted heat generation during drilling. The drilling result is precise and without burn marks on the workpiece. For drilling burr-free, precise and dimensionally accurate holes - edge-hole drilling in all soft woods and plastic-coated chipboards - special cutting edge geometry = shorter drilling times = no burn marks on the wood - drilling with less effort = spares the machine Version: with centering tip, 2 main cutting edges, crenellated peripheral cutting edges Material: high-quality tool steel.