[Features] ●By combining the inner and outer blades, the cutting edge is divided into 4 sections for less resistance and increased drilling speed. ●Smooth sharpness and long life. ●By adopting a chip discharge groove, it is possible to drill from stainless steel with a thickness of 25 mm to wood. (Varies depending on usage conditions)
[Use] ●Work material: Stainless steel plate (25 mm or less), steel plate, copper plate, FRP, synthetic resin.