● It can be clamped on electric drills and for bench drills, and can be used to open holes in metals such as thick steel plates, cast iron, stainless steel, and non-standard angle irons ● When cutting coolant, the cutting edge must be filled with coolant ● Used to cut clean round holes quickly and easily ● The split drill bit prevents damage by gradually guiding the tool to the without walking ● Excellent chip removal performance, for edge and wear resistance, Manufacturer: NUEAYMS