💎 High-Quality Diamond Drill Bit Set – 30pcs Titanium Coated for Jewelry, Beach Sea Glass, Shells, Gemstones, Lapidary Review

My specific application, drilling in quartz (7 on the MOH scale, diamond 10) was frustrating. The drill bits are very brittle. I have two broken , but the broken part can be chemically removed. They drill into gems very slowly and require patience and a light touch. I'm looking for a professional diamond drill bit. If anyone knows where to buy this one, please let us all know .

I was a bit hesitant to purchase this product based on several reviews I read. However, I desperately need these exercises to meet the deadline and I couldn't find anything comparable, so I decided to take a chance. The product arrived on time, as promised, well packaged. I am pleasantly surprised at how well they have worked for me. This significantly shortened the drilling time. I was able to drill 3-5 pieces before the drill bit had to be replaced. The pair broke almost immediately, but I'm…

These attachments will work. I drill sea glass and beach rock with a dremel and press. I've lost count of how many bits I've tried and failed. Some of them worked well, but all had issues that made drilling more of a chore than a creative adventure. Needless to say I didn't expect them to be any better but I was very surprised. The first piece was like cutting through butter and I haven't had to replace it yet! I've used it on stone and glass and must have made at least 10 of them. Now I can't…