As a proud owner of this bit, I can confidently vouch for its quality. Industrial and Scientific grade, it has easily carved through even the toughest materials without any trouble. After I put it to the test, I observed that its sharpness and durability made it perfect for tough industrial jobs. The only downside I noticed is that it's a tad on the expensive side. Nevertheless, you definitely get what you pay for. Overall, I'm more than satisfied with this purchase and would highly recommend…