Forstner drill bit or as it is called cutter Forstner, copes with wood and its derivatives, as well as plastic and rubber. Typically, it is used to produce a perfectly smooth flat bottom holes. This feature makes it indispensable in the furniture industry for the installation of the door hinge. Sharp blades to quickly cope with the task. The drill bit is made of high speed tool steel and carbide-tipped set grinding angle of 45 °. The tool is not deformed, and long remain sharp. Drill well cooled due to the shape of the blades, which push the chips during drilling and allow more air to cool the cutting portion. Drilling at an angle necessary to bring the cutter to rotate and then overturn it smoothly. Forstner SD0493 cutter carves straight hole diameter 30 mm, thanks to the special design. Central spearhead fixes drill and lateral incisors are cut fibers at the edge, after which the cutting edge is precisely cuts the material itself. This makes the hole smooth without any additional effort. Take Forstner drill bit and your work will become easier and will bring pleasure. Features Makes smooth blind hole of the cup type, as well as through holes. It does not deform due to the TCT. Easily and quickly cut at an angle and at the edge of the material. Cylindrical shank allows the use of a drill with screwdrivers, drills and mills.