Was hoping I could use this to drill some 5/16 to 5/8 holes in 3/16 steel plate. This drill is not sharp enough to do this job on just one side of the metal. I've used countersinks that are more than sharp enough for this purpose, so I was quite surprised to find this one starting to choke. However, this bit is strong enough to be used for its intended purpose, just to bevel a hole, so I can't complain too much. If you can reach both sides of the metal with a drill bit, you can probably drill a