Carbide CNC Rotary Bits, End Mill Burrs Milling Bit with Titanium Plating, Eaninno 10 PCS Engraving Bit Drilling Hole Tool Set for PCB SCM Circuit Board Plastic Fiber Wood (0.8-3.175 mm)

I had a special use case: I needed to mill out a groove-track in an product case, letting me use a product made for one tool system (that I've invested in), with a different product from another tool ecosystem. The details are not important but what IS important is I saved $200 and didn't need to buy extra things that take up space in the garage.What I did: I used my drill press as a router/mill. This is abusive of the drill, but I was careful and slow. I used a clamped board as a router fence. Since I was milling plastic, if I went slow I could grind away material without knocking the drill chuck out (most drill chucks are just friction fit and will pop out if given downward or side force).I want to point out these things are very low cost but had NO perceptible "wobble" or warping, and I ran them at a pretty low RPM which would expose such a flaw. Since then I've used this in my Dremel tool - works great.Before I purchased these I looked at a bunch of other products and read all the reviews. I'm confident you will not find a better product for the same or less cost.I don't have a router table so I can't really say how they will work at 15,000 RPM. But for my cheap use case, good stuff!

Seriously, I initially got these to drill through some stainless steel. They worked flawlessly. I couldn’t get a drillbit through fast enough to keep the SS from hardening. This went through ~1/16”SS knife blade quickly and easily.Since then I have used it for making holes and slots in wood. Works far better sideways to reshape holes; Drill bits just don’t quite bite in, and the router is far too aggressive..I’ve also used for surfboarding repair. Great for precision removal of broken glass and shaping of the repairMy go to for lots of jobsOne note, the bit is somewhat brittle, I can’t lean on it too much. I cracked one of the teeny ones, which is not a big surprise. Otherwise held up great

I'm converting a lathe and engraving pantograph to cnc, so I'm tooling up. This is a nice selection, good quality and price. I expect I'll be buying more things from this vendor.

Really like these. Nice case. I used on wood, worked fine. Hold everything in place.

I've broken one of the small ones, but that was during a stress test to see what my machine will do. They work for my needs. Have only used them on wood so far.

they break pretty easily. will go with someone else next time.

These are great little carving bits. I’m happy with them and I’m happy with the price. I am not disappointed with them!

They look well made. I've yet to try them and will update once I do