3件套高速钢公制粗牙手用丝锥KT6-109-25宁波乔福贸易有限公司***代理克恩达工具宁波***3件套高速钢公制粗牙手用丝锥高速钢材质用于公制螺纹的手动内孔攻丝三锥一套（粗攻，二攻和细攻）符合德国DIN352质量生产标准型号尺寸螺纹长度总长度KT6-109-25M2x0.4mm9mm36mmKT6-109-26M2.5x0.45mm9mm40mmKT6-109-27M3x0.5mm11mm40mmKT6-109-28M4x0.7mm13mm45mmKT6-109-29M5x0.8mm16mm50mmKT6-109-30M6x1.0mm19mm50mmKT6-109-31M8x1.25mm22mm56mmKT6-109-32M10x1.5mm24mm70mmKT6-109-33M12x1.75mm29mm75mm)