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If your doing some electrical projects you for sure have various heat-shrink tubes laying around. Its primary usage is for wire insulation. I use it often for other tasks. Some of them I would like to share with you.

Step 1: Drill Limit

Take the tube a little bit wider than drill bit you will use. Cut it properly and put it on drill bit. While drilling look at the tube: as soon as it touches surface stop drilling. That way you will never drill through. (In my personal blog http://www.jumbleview.info/2016/04/not-for-insulation-only.html you can find some more rumination regrading this usage).

The clasp on my Kindle cover is magnetic, but the magnet is held in place with a thin piece of fabric, and that began to tear. I slipped a larger piece of heat shrink tubing over the clasp and magnet. Then I heated it to shrink it. It is now the most durable part of the Kindle case. I did an Instructable on it.
<p>Thanks for comment. Phil. I found your Kindle case fix (but that was not easy among your 300+ projects !). Indeed it is one more nice non-traditional application of heat-shrink.</p>
Drill-hack alone is already very helpful. It's so easy once somebody tells you...
Great job! I specifically like the drill bit hack. That's much better than using tape to do depth drilling. good -ible
<p>Thanks, yes I used tape myself, but have found that tube works better for me.</p>

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Bio: I got my education and initial job experience in Ukraine, but in 1998 moved to California. I work as software engineer in one of Bay ... More »
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