Based on my experience, I would not recommend this industrial drill bit to anyone. Despite being marketed as tough and durable, it failed to make clean cuts and struggled to handle tougher materials... This left me feeling frustrated and disappointed. The only positive aspect is that it came with a reduced shank, which made it easier to use with larger drills. However, this small benefit does not justify the high price tag. Overall, I would not waste my money on this product again. Keywords: Industrial and SCIENTIFIC..