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How to Make a Chain Universal Key – DIY Life Hacks & Ideas

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To tie or untie nuts and bolts you would need a key and to be able to work with all sizes of nuts and bolts you would have to buy a large key set. A key set of good quality metal will cost you a considerable amount.There are various types of universal keys available in the market to solve this problem. We will teach you to make a universal key that can be made at home with the materials that are easily accessible for you.

image credit: Mr SunY

To make this universal key you only need a metal rod and a piece of bike chain. The process of building this universal key is fairly simple and only takes a few minutes.The chain allows flexibility to be wrapped around any size of nut or bolt and it doesn’t matter how firmly it is tightened universal key will easily untie.via(techintrend).

The making of this universal key and its use is demonstrated in the video below.To make this universal key you only need a metal rod and a piece of bike chain. The process of building this universal key is fairly simple and only takes a few minutes.

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The chain allows flexibility to be wrapped around any size of nut or bolt and it doesn’t matter how firmly it is tightened universal key will easily untie. The making of this universal key and its use is demonstrated in the video below.

VIAMr SunY
SOURCEtechintrend
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