Fast material penetration with self-feed spur. Durability in nail embedded wood. Long bit life with hardened alloy steel. Quick bit changes with a 7/16" ball groove shank.
excellent. word of warning. the bit is heavy and can slip out of the cordless drill chuck. The tip will likely fall on the concrete, and the tip will need sharpening. It is better not to move the drill down
excellent. The user could be warned not to point the cordless drill point down on a concrete floor or a floor that could damage it. If the bit (it's heavy) falls out of the cartridge, you need to sharpen the tip of the bit.
I've tried this with several different power drills, both corded and cordless. The main difficulty with using this bit is that it grips the wood so securely that it ejects the bit instead of penetrating the wood! And the person holding it! It doesn't "slip" or crash into a tree, but rather "sticks" in it (for lack of a better word). I don't think it's a design flaw, rather it's not designed for hand drills. I've used wider bits (e.g. paddle bits) and other auger bits, as well as large hole saws