How to make a drill from a nail


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 read that right, with this drill you can drill thick steel about 5 mm. 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 metal drill from a nail


We take a nail and grind off the point on his sandpaper. Completely do not need to do this, about half.
How to make a drill from a nail

Hammer flatten the end under a flat screwdriver.
How to make a drill from a nail

Next on sandpaper do cutting edges like a drill.
How to make a drill from a nail

That's how it should turn out.
How to make a drill from a nail

In principle, the drill is ready, but they can drill only wood, plastic or other soft metals.

Tempering drill - carburizing


To turn a drill into a drill for metal, it must 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 drill from a nail

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 is lower in graphite. As soon as the masa begins to redden, we raise a nail. The main thing is not to burn all that has been 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, the cutting edge is saturated with carbon, which in turn will add strength.
How to make a drill from a nail

Further we clamp in a vice and we saw off a hat.
How to make a drill from a nail

Drill for metal, made of nail, ready!

Metal Testing


Go to the tests. Clamp the drill bit in the chuck of a vertical drilling machine.
How to make a drill from a nail

And we drill a steel corner like an ordinary drill, periodically sprinkling grease.
How to make a drill from a nail

Hole drilled.
How to make a drill from a nail

Give a second try.
How to make a drill from a nail

The outlet is drilled no worse than a conventional 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 not just done.
How to make a drill from a nail

Also drill with grease.
How to make a drill from a nail

A bit more.
How to make a drill from a nail

Hole drilled.
How to make a drill from a nail

Of course, the strength of such a drill for a long time is not enough. If you drill a tree, then in principle it will go, but for steel the safety margin is limited to several holes, it all depends on the thickness of the steel.

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