How to choose a mini drill

A mini-drill is an electrical tool that homemade hams are often used for various purposes. However, this device can be successfully used for other tasks in everyday life. With the help of this tool you can drill out various holes, cut many materials (plexiglass, plastic, wood, metal). It is used for surface cleaning, for milling, engraving, sharpening. Using a mini drill, you can make grinding, pruning and many other operations.

The device can work either from a mains supply having a voltage of 220 V, or from a battery with a voltage of 12, 24, 36 V. Most often, a mini-drill includes a variety of different replacement tools that can be inserted into a cam or collet chuck. These additions include drills, various sizes and shapes of grinding diamond wheels, abrasive, cutting, polishing carved disks. In addition, the kit can include grinding drums, polishing stones and felt, grinding discs, wire brushes, borers and other elements.

If necessary, you can make nozzles on a mini drill with your own hands. It is only necessary to attach the adaptation of the device to the metal rod, which can then be inserted into the collet or chuck. To do this, in the middle of the nozzle drill a hole or glue it to the surface of another suitable device, available in the arsenal of the master. The use of a flexible shaft makes it possible to retain only the working element, through which various tasks are performed.

A mini-drill is equipped with either a set of replaceable collets, into which the nozzles are clamped, or a cam-type miniature cartridge that serves the same purpose. The latter is much more convenient, since it allows the use of different nozzle diameters with shanks.

Many craftsmen manage to make a mini-drill with their own hands. To do this, they use a miniature electric motor, left from the old household appliances, for example, from an electric toothbrush or tape recorder. In this case, it is important to be able to fix a cartridge or collet on the drive shaft. This mechanism is quite easy to do if a lathe is available . However, homemade devices are not so convenient and practical as devices made in an industrial way.

Today you can buy a mini-drill of many famous companies, and this tool is not so expensive. At the same time, it is very convenient and reliable. In the modern market of electrical appliances, Dremel, which is a subsidiary of Bosch (Bosch), occupies the leading position in the production of minidrills .

By the way, because of the name of the manufacturer, this tool is often called "dremel". The prices for it depend on the equipment and capacity. A simple drill "mini" will cost about one and a half thousand Russian rubles. A completely good functional model can be bought for three or four thousand rubles.