![](http://img.uaft2404.org/img/sdela-2019/universalnij-klyuch-dlya-bolgarki-i-dreli.jpg)
With the help of this homemade product, you can combine two keys from a household power tool (angle grinder and drill) into one universal key, which will always be at hand. It is very convenient and practical. And to make such a device, you need a minimum of time and materials. Well, let's get started?
Manufacturing process
As a basis, you will need to take a steel plate of suitable sizes (in width and length). Then the edges of the workpiece must be slightly rounded on the grinding machine. Next, on one side we drill holes for two bolts that will tighten the quick-tightening nut of the grinder, and on the other - we weld the key from the electric drill, after cutting the tail part and drilling a hole of a suitable diameter.
When the holes in the plate are drilled (two small and one large should be obtained), insert the bolts, put on the quick-tightening nut and grab the bolts from the back side by welding. At the last stage of work, it remains only to clean all the joints and grind the corners of the part for greater aesthetics.
This is how simple and quick it is to make a universal key for tightening an electric drill chuck and a clamping nut of an angle grinder. It is very convenient to work with such a key, and the cost of this device is extremely small. For a detailed manufacturing process and practical application of this universal key, see the video on our website.