It also has diamond grit around the outside to help with making holes bigger or odd shaped. It has a "diamod impregnated core style bit" that is perfect for drilling holes in the flat plates and/or round bottles. So, I ordered this bit and was so excited when it arrived that I had to try it out right away. Whereas, if item is all glued together, I would not be able to repair or replace just a part. Also, if a part of the finished project should break, I can replace that one part if it's been put together with a screw. I usually use marine glue to hold the glass together, but a screw through the layers makes the finished product more stable. I have been wanting to get a glass drill bit for my Dremel rotary tool for a long time because I make a lot of funky art for my yard with glass plates and bottles. It still has plenty of life left in it, and this is fun! Now that I know that it works, I look forward to performing the same steps on additional items. The hole came out perfectly, and I did two more teacups. I was able to catch the Dremel, so that it did not hit the teacup.
On the third drilling session, the plug fell away. When the debris mounds again, clean the area again, clean the bit again, add oil, and begin again. Also clean off the bit with a paper towel. After a short time, when drilling debris mounds, stop and clean the debris out of the area (using a paper towel, and then a very small screwdriver to get the debris out of the circle created by the bit).
Keep hands ready to catch the machine in case it falls through quickly, while drilling a fragile item. Apply no downward pressure (per instructions, allowing the weight of the Dremel to be the only thing applying downward pressure).
#GLASS CUTTING DREMEL BITS FOR GLASS INSTALL#
The process is as folllows: install the bit, place a drop of oil on the bottom of the item, set the Dremel to 15,000 RPM (the instructions say to go no higher than this), turn on the Dremel, place the bit onto the spot to be drilled, and hold it in place.
I started with three teacups (see photo), to make sure that it would work, and everything went perfectly. This Dremel drill bit is working very well for a DIY project, in which I am drilling holes in the bottoms of various things to turn them into flowerpots.
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