Review on 💪 Highly Efficient Drillforce Titanium Straight General Purpose Drill Bit: Unleash Precision and Power! by Ben Walls

The quality of the bits in this set is excellent. I use it for coolant/grease filled stainless steel. The first bit was impressive - lasted longer than even higher quality brand name bits. However, the remaining bits immediately chipped on the cutting edge, meaning they were not heat treated at a constant temperature. other material.