although I'm probably using it wrong first impression of the bit are good. I'm a electrician doing all types of work and I am fed up with dull bits making simple jobs hard work. so far gone through 10mm steel machine case/frame X 2 and numerous smaller jobs in a battery drill and it's still good as new. I will probably be buying some larger bits in the future.
I needed to remove a broken standard type 2mm drill in a piece of mild steel, and found that the carbide drill performed extremely well in removing the broken drill.
