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you may also be interested in getting a diamond impregnated bit. I've used them to drill holes through stone and it would easily go through a shell. Here is a picture http://upload.wikimedia.org/wikipedia/commons/e/e3/2mm_diamond_drill_bits_macro.jpg
You can rub a hole through with sand and a stick, spinning the stick between your hands, and pressing sand between the stick and the shell.
Sounds effective, I'll give it a try. Thanks!
+1 for the hand drill.
I doubt very much that a dentist will give you used drill bits, they would be considered hazardous waste seeing as they come into contact with the patients blood.
Better idea is a small masonry drill bit from the hardware store, however the smallest is 3mm dia which might be too big for your needs.
Well, I would suggest that you really do get a drill, not a power one but a simple hand power drill. Since you appear to do a lot of crafting work it would probably come in very handy AND they are not very expensive and last forever. I have one my grandfather used. it never needed anything except a little oil.
Next get a used dental bit from your local dentist. They are carbide burrs and can cut through glass so a shell would be very easy even if the bit is dull. I am guessing the dentist usually throws them away so they would probably be free for the asking.
I have a friend who used to repair car windshields from cracks and chips. he used a hand drill with a dental bit to drill into the cracks and then injected a special glue. So its something that should work for you.
Here is a picture of a hand powered drill.
A sharp pointed knife will penetrate the shell - Mind your fingers.
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Posted:Jun 25, 2014
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