Clinton, I have not put one thru a critter yet, but I have some of the Cutthroats ( the screw in version) and have shot them quite a bit.
They are pretty stout heads that I personally would compare against anything I have seen. I have a fair collection of broadheads and have seen most ( books) and held many, these are stout.
I can get mine to shave fairly easily. If you can wait till fall, I will tell you how they work on critters.
Good as I think they are....there are a lot of really good heads on the market now. Pick one you like.
ChuckC