DC1891 Carbide Forstner Bit, 16mm

This bit produced an accurate 18mm hole in red oak with smooth sides but I was put off by the roughness of the cut as I was boring through the wood. Luckily I was using a drill press and my wood sample was locked down. I definitely wouldn't use this in a hand drill.

bought for barrel nuts. Works like a charm in poplar.

The first cuts I made were 1-1/2” deep and finished well. The second cut of same depth was good, but a little rough. My third and Final Cut of same depth took much longer and was stressing my drill press.It performs well and cleanly cuts the 3” diameter holes , but I doubt it will stay usable after 1 or 2 more cuts

This was not a size in a set I had bought. I was happy to find it at a good price and get such fast delivery. I was concerned when I saw that it only has two blades, but it drills a clean hole.

Photo- this product on the left. More like a brad point spade bit than the true Forstner bit on the right. This product didn’t cut as smoothly as a regular Forstner.

Yes its possible that some people get bad bits and tools in general from time to time. But you have to factor in whether or not that person is capable of using said item properly, a lot of people are not, so I usually take a risk on poorly rated items if they look to be well built. Most of the time I find that the items are satisfactory as is with this bit. The holes are flat, the holes are cut clean, what more can you ask from a forstner bit. The head's design doesn't lend itself to cutting holes at an angle but still doable with a little more patience.

I needed a long lasting Forster bit for drilling end grain. My Hss bits don’t last long. These are very sharp and long lasting. Also a great value.

Great bit. I got the 14mm version. Makes a nice hole for 1/2 rod. I was concened about the shape of the head not being a true Forstner shape, but it works fine. I Reccomend!