How to make a nail drill

I will show you how to make a simple drill from an ordinary nail, with which you can drill steel, wood, plastic, etc. Yes, you have read it all correctly, you can drill a thick steel of the order of 5 mm with this drill. Smarting thing is good, always help out in a difficult life situation. So, to increase the level of self-development, I propose to become familiar with this method. Perhaps useful in life.

Making a drill for metal from a nail

We take a nail and grind off the edge with emery. You do not need to do this completely, by about half.
How to make a drill from a nail
With a hammer, flatten the end under a flat screwdriver.
How to make a drill from a nail
Next on the sandpaper we make cutting edges like a drill.
How to make a drill from a nail
This is how it should turn out.
How to make a drill from a nail
In principle,The drill is ready, but only wood, plastic or other soft metals can be drilled.

Hardening of a drill - carburizing

To turn a drill into a metal drill, it needs to be hardened. For this we need a DC welding machine and a metal jar with crushed graphite. Graphite can be obtained from old brushes by grinding them with a file.
How to make a nail drill
If there is no jar, you can use a piece of flat steel. Connect the positive electrode to the jar, and the negative to the nail. Turn on the welding machine.
How to make a drill from a nail
Omit the cutting edge and lower in graphite. As soon as Masa begins to blush, we pick up the nail. Here the main thing is not to burn everything that was carved. Overheating is not necessary, we drive a nail to achieve a small spark. The whole procedure lasts 1-2 minutes.
How to make a drill from a nail
This method is called cementation. That is, saturation of the cutting edge with carbon, which in turn adds strength.
Then we clamp in a vice and saw off a hat.
How to make a drill from a nail
The drill for metal made from a nail is ready!

Tests on metal

We proceed to tests. We clamp the drill in the chuck of a vertical drilling machine.
How to make a drill from a nail
And we drill a steel corner like a normal drill, sprinkling grease periodically.
How to make a drill from a nail
The hole is drilled.
How to make a drill from a nail
Give a second attempt.
How to make a drill from a nail
The output hole is drilled no worse than an ordinary drill.
How to make a drill from a nail
Now the task is more difficult - to check the stainless steel. It is known that this is simply not done.
How to make a drill from a nail
Also we drill with lubricant.
How to make a drill outnail
A little more.
 How to make a drill from a nail
Hole drilled.
 How to nail drill
Of course, the strength of such a drill is not enough for a long time. If you drill a tree, then in principle it will work, but for steel the safety factor is limited to several holes, it all depends on the thickness of the steel.

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