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Drilling Sea Glass

Posted By Heather 5 Years Ago
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Heather
Posted 5 Years Ago
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I currently have a 300 Series Dremel. I bought it with the hopes of drilling holes into some of my sea glass. I purchased a diamond point bit (#7134). I placed the glass in a bit of water and used a slow speed  but all I am doing is wearing away the drill bit. I tried to use the "Accessory Finder" on the Dremel web site but when I indicate that I want to drill through glass it comes up as having nothing. Is there really no way to do this??

Also, the drill bit was too "skinny" for my drill so I used a bit of tape to fatten it and it fit perfectly. Is it a cullet that I need to remedy this? And how do I know what size to buy? I'm a Dremel disaster. ANy help would be very appreciated!

Thank you!

karin
Posted 5 Years Ago
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You should purchase a 4486 drill chuck for your motor. It will tighten to hold onto various sized drill bits up to 1/8".



The quality of diamond coating on bits varies considerably. Sometimes the adhesives don't hold onto the diamond dust and you rapidly end up with bare metal trying to cut through your sea glass.



I would go with a coarse diamond grit coating so you get faster cutting power. The fine diamond coating is better for detailing tiny wood carvings but it will quickly wear off if you try to drill glass with it. Check with your local hardware store first for Forney accesory sets, I find coarse diamond bit sets from them and I also find others at Harbor Freight Tools. www.widgetsupply.com sells diamond bits rated at coarse grit.

Karin

Heather
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Thank you so much Karin! I'm going to the hardware store today.

JimRfromBC Canada
Posted 5 Years Ago
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If you have a lapidary or "rock" shop in your community, check with them. They will have specialized diamond drill bits that you can use.

"For almost every problem,
there is a DREMEL solution"

"When all else fails, read the instructions."

Jim



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