These are so easy to pop into a drill and make a perfect hole

Used one of the bits to cut a hole in some glass and worked wonderfully the first cut

I only used it once using the largest drill bit to carve a perfect drainage hole to a large and thick ceramic pot, which has troubled me for years

one.)I rated as a 3 for longevity because we just got them and am not sure how long they’ll last, but so far we’ve done 6 holes with the same bit and it’s going as well as the first hole we drilled.

I will say that the smaller diameter hole saws (6 mm -10 mm) did work much better and I was able to drill these holes reasonably well and that is why I gave this 3 stars

I used one of the bits to successfully drill a perfect hole in hard plastic (which I have never been able to do previously without breaking the plastic)

I used a spray bottle with water to minimize the dust and laid my pot upside down , you have to tilt the bit at a 90 degree angle to get the drill bit to stick, once the head of the bit can stick to your pot it took only a couple minutes to drill a clean hole into my pot

Opens up using pretty pots for plants because these bits make clean drain holes in bottom for drainage.

In fact, my holes were better than the two holes the factory had already drilled.

cuts glass very easy cut holes in an old aquarium to make a planter

Makes a perfect round drainage hole

Perfect holes without any chipping or cracking.

so I would say 120 holes is worth $8.00

By going slowly and carefull, I was able to cut amazingly chip-free holes for radius tiles around the outside corner of a tub, then cleaned up with a diamond half'round file

Have drilled a hole in jade and it worked well

I was forced to purchase a more expensive Milwaukee brand diamond hole saw and that perfectly cut the hole with no problems whatsoever

But I think that I'll keep getting 1/4 cheap hole saws for what I need to do, as they last about as long as the Bosch or Dewalt expensive 1/4 hole saws, and for all the reasons above, cheaper is more cost efficient in the long run.

and I had the perfect hole drilled

so you get cleaner holes

It was easy to use, and cut perfect holes in wine bottles.

I used one bit on tile floor, cut a nice clean hole very quick.

I cut a few holes and it worked good.

I was able to punch about 4 perfect clean holes in some harder glass, i thought id be lucky to get 2, and they still worked on some softer glass a few holes after that.

I was able to punch about 4 perfect clean holes in some harder glass, i thought id be lucky to get 2, and they still worked on some softer glass a few holes after that.

These bits lose their grit pretty quickly when used on glass, i get maybe 3-5 holes per bit before itll damage my medium because of dullness