阶梯麻花钻头 高速钢,多性能,TiAlN
The latest generation, multi-performance, stepped drill bits with TiAIN coating for maximum service life, significantly faster drilling with quiet processing as well as greatly reduced burr formation in the processing of almost all thin-walled materials such as conventional steel up to 1300 N/mm2 strength, stainless steel, aluminium, cast iron, brass, bronze, wood and plastics.