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You can't drill a bigger one after the first as the glass usually shatters if you try it so make sure you have the right size first. Then just drill a hole in the cap the right size for the electical pipe to just slip in.
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www.taxidermy.net/forums/MoldingArticles/04/0422B5B1E1....
www.taxidermy.net/forums/MoldingArticles/04/0422B5B1E1.html
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How to Drill Holes Through Glass. You can drill a hole of any size through glass if you choose the appropriate drill bit. To drill holes smaller than 1/2 inch, choose a diamond drill bit with a round-end cylinder or use a... ... Place the glass onto a sturdy, flat surface. This will support the glass as your drill into it.
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www.ehow.com/how_2239462_drill-holes-through-glass.html
www.ehow.com/how_2239462_drill-holes-through-glass.html
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How to use a drill press to cut holes in your glass jewelry ... To do this, bring down the lever on the press up against the glass. If that is where you want your hole, then bring the lever back up and continue to the next step. Otherwise, bring the drill bit up and reposition the piece of glass.
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jewelrymaking.about.com/library/weekly/aa051901.htm
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How do I drill through glass? My Dad wants to make a Lamp out of a Jack Daniels bottle and I need to drill a hole for the cord to go through is there a special drill bit I need? ... Go to your local home improvement store and look for glass cutting drill bits. Just remember to go really, really slow and don't use any...
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forums.gideontech.com/index.php?topic=33794.0
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Drilling hole #3 with a diamond bit hole saw to fit a bulkhead for one of the sump return lines in my 20 gallon long tank. All you need is a cheap diamond-.
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www.youtube.com/watch?v=LgIM5-kxwVE
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Drilling one of the sump drain holes with a cheap diamond-bit holesaw to fit a 1.5" bulkhead in my 20 gallon long reef tank. All you need is a cheap di...
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www.youtube.com/watch?v=Z5XpHos4SLs
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Obviously to drill a 1 1/2 inch or larger hole in glass you require the right drill bit. There are basically two methods to drill glass. The quickest way although more expensive is to use a diamond bit, of which there are two basic types.
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www.angelsonly.com/Drilling.htm
www.angelsonly.com/Drilling.htm
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To drill a hole in a glass bottle you need a very sharp drill. Start by making a guide notch in the glass so you won't slip. Then drill at a very low speed very slowly into the glass. If you are careful it should not shatter.
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answers.ask.com/Business/Other/how_to_drill_a_hole_in_a...
answers.ask.com/Business/Other/how_to_drill_a_hole_in_a_glass_bottle
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Clock Repair Archive - - How to drill glass ( flat, single strength ): ; Please note: I have had many emails from persons having problems drilling glass. I must stress that my experience related here ONLY applies to flat, single strength, non-tempered, non-safety glass.
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www.perpetualpc.net/drill_glass.html
www.perpetualpc.net/drill_glass.html
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