As a RESULT of my tests, I determined that this drill bit was a complete waste of money. The packaging claims it can handle heavy-duty drilling, but during use, it struggled even with basic tasks .The only positive aspect was its initial sharpness, but that quickly deteriorated. The bit ultimately underperformed and left me with a job half-done..
Truck Trailer Conversion It was assembled with these bits called L or Ex locks which I had never heard of before I was 68 years old anyway no one had the true value of ace. no one had it boys you made the size i needed. I got it in two days. Revane rocked it again