I'm using these for drawer rails, they work just fine, but using with an electric driver it is very easy to strip the screw hole. These are not very sharp and don't have a strong bite, a decent amount of force is required to get the screw to start. It's very easy to over torque and strip the screw hole because of this, especially in softer woods. MDF is not so much of a problem in this regard.
Rating:
[4 of 5 Stars!]