ILOVETOOL 0.5mm Diamond Jewelry Drill Bits Carving Bur Tools for Stone Pack of 30Pcs

I purchased the drill bits to make holes in glass. But the shaft of the bit was just a little too thin, so the bit couldn’t be tightened properly. After much thought I wrapped the shaft of the bit wit just a little aluminum foil. This allowed the bit to be tightened. The bits work better than I expected. I’m still using the first bit and see nothing that is keeping it from still cutting through the glass.

I drill holes in shells to make wind chimes and I love making them! I used to only buy the Drimmel brand bits. I could only do 40 shells or so before the Drimmel bits would give out. I got these for their price and am happily surprised! These bits are good and pointy, and they go though the shell nicely at first. After 10 shells the tip would break but I could keep going for a while after that with the now less pointy bit. When it starts struggling you get a nice sharp new one. All in all cheaper than brand name. These bits are a good value for my needs. If you’re reading this and plan to drill shells, make sure to use water. Put a sponge in a shallow pie dish filled with crushed ice and water. Drill the shell on the sponge and as you drill stick the bit in the sponge to keep it cool. You can even use a bit of water on the drill site. It’s fun to drill the holes too. Happy shell crafting!

My first two attempts ended up breaking so we slowed down and drilled for roughly 45 seconds each piece. Slow and steady wins the race. Submerse in a water bowl on a piece of wood as a backer so you don’t end up drilling through bowl or whatever you use. Enjoy the process it’s therapeutic!

Works for what I needed to do, definitely drilling in water keep moisture in the hole to extend the life of the drill bit. You will use a lot of them I went through probably 8 just for what is done in the photo, but does what it says it does.

I’ve never used a diamond drill before, so I don’t have anything to compare this to.I drilled 14 - 1/4” deep holes (under water) in a very hard granite river stone. I used 6 bits and it was pretty slow going. I used a center punch to mark the holes prior to drilling and even with this, the bits wanted to drift.

I searched for drill bit that fit a Dremel tool, but the shaft is too skinny.

They work as advertised

Great for clearing out metal/other bits in cylinders

These 0.5mm bits are great. I am using Dremel to drill quartz and amethyst stones ( Mohn index=7 ) for jewelery. Using the same way I have been using other bits from other sources in the past, these so far are the best I have used. Delivery was faster than promised also. Good product and service.

Had to buy a mandrel to fit any of the drills. Once I did they are great for glass

Use these in my modelling room for plastic kit detailing. Use them in a high speed dremmel drill holder. Have lasted well and none have broken or failed as yet. Very handy and a good purchase for the price.

As good as anything other more expensive ones I’ve tried. Save money and buy these.

Drilling sea glass, works well.