Customer Reviews for QEP 5/16 in. Diamond Hole Saw with Water Delivery System

It did not last very long. I was able to make a single hole on porcelain. I

Idea is nice. The bit only lasted for one hole. Would not suggest this item.

Has a problem staying on the wall were your drilling the hole to catch the water. Used several pieces of tape to complete the drilling. Also the holes for the water to go through the bottom part went to fast and filled the bottom part to fast. Not worth the price, you can put the bit in a dish of cold water every few minutes.

Rating provided by a verified purchaser

Cuts through porcelain tile fairly quickly. A little messy to use.

I purchased this kit to drill holes in my porcelain tile to install a shower door. This thing wouldn't penetrate the porcelain tile at all, the best it did was scratch the surface of the tile. Also the water goes through it so fast there's no way to cool the bit if it did work. Save your money.

Excellent

I realize it is tough to drill through tile, but I thought this would be helpful. The water part. I had to just use the bit without the water.

Works great

Not sure why the negative reviews on this. Used it to drill four holes for a shower curtain rod without a hitch. Be patient, go slow, make sure your surfaces are clean and dry so the adhesive sticks and you’ll have a gold result, too.

It does the job but it wont last pass. Plastic case cracks after some usage.

The package indicated the bit was suitable for porcelain tile. It wouldn’t even scratch the surface. Don’t waste you money.

Bad design! The tip crumbled on contact with porcelain tile

I used this to install some hangers on a tile backsplash. Know that this only comes with 8 stickers/tape strips, so you may need more than 1 kit if you will be making more than 8 holes. If it came with more, it wouldn’t make much difference. The plastic water receptacle is pretty flimsy and won’t last much longer than 8 uses. That’s okay, based upon the price. Buying it, though, consider it a bit disposable and you’ll be fine.

Returned

All the diamonds fell off the bit before I was done with the first hole Water reservoir works great with a more expensive bit

Drill did not work well. Time to pass through tile was excessive. Switched to a carbide stone and tile drill to do the job.

Useless Very Disappointed Don’t BUY!!!

I bought a 5/16ths and a 1/4 diamond hole drill from QEP. The 5/16ths was fine. The 1/4 is defective and would not cut anything. Apparently no imbedded diamond dust on the tip. The water resovoir is too small to hold enough water for a single cut through tile. I’ll avoid QEP.

Well there's 11 bucks down the drain. Look, I'm not a professional tile installer. But I'm an engineer, and meticulous about directions and preparation and pretty handy overall. I followed the directions to the letter. First time, the little sticky pad detached from the wall almost immediately. I assumed I had done something wrong, cleaned and dried everything and prepped with a second pad. Same result. It's ceramic tile, not that hard to cut. But I'm going to have to buy a carbide bit, because this thing sucks frankly. To those who love it and gave good reviews, I'd love to know why.

Bought this bit to drill floor tile for a door stop. Awkward to use the water reservoir on the floor, obviously made for horizontal use. I made it almost 3/16 inch into the floor tile. I wore off virtually all the diamond tip, and wore the bit itself down past the two slots cut into the drilling surface. I'll try to finish the hole with a quarter-inch carbide drill bit (for drilling concrete and masonry), and absolutely won't buy a QEP diamond bit in the future. One star is being generous.

Hard to align the hole placement on the tile when viewing through the guide. Diamond bit would not bite into the ceramic tile and then walked off position taking the guide and all the plastic housing parts with it.

I drilled four holes in a new tile shower and the bit was gone

The bit didn't go through our tile at all-new ended up having to just use a masonry bit which we already had. The water cup is attached with 2 way tape and slips. Total waste of money

The QEP diamond tipped bit worked extremely well going through the tile i had to drill a hole through.

Bit was very tight to fit thru the sleeve.But would not start cutting into the porcelain tile

Plastic box does help securing the drill bit. However the plastic is flimsy and cracked easy. The heat melted the plastic tube as well despite the dripping water. I got 5 holes drilled on a 3/8 porcelain tile. At the end the diamond head is flattened and the drilling time is longer. In summary, it is an essential part of the small task and saved me money not to find a contractor. Just be aware of the quality and don't expect durability.

End result was exactly what I wanted. Did a test run on an extra tile which proved very useful. Learned I wasn’t pushing the drill hard enough for fear of cracking the tile. Youtube - Mounting Shower Curtain Bar using a Water Cooled Hollow Diamond Drill Bit. Very helpful!

This product is so poorly designed! The adhesive strips do not even stick to tile. As soon as you turn the drill on the whole thing comes lose and water is spilled everywhere. I now have damaged tile and have to go back to using a tension shower rod when I just bought a new curved rod. If this worked for anyone they were lucky, I should have turned away when I seen how low the stars were on the reviews.

Wasn't easy to drill the diamond bit, had to start a pilot hole big enough to fit the diamond bit in order to use it. =(.