适用范围适用于混凝土和钢筋混凝土的高速钻孔,极其长久的使用寿命。达到轻型钢筋时毫无阻碍。***适用于单次锤击力为3焦耳的电锤。能量***传递。***排屑。***理想的承压，不会造成使用过度。主要特点5项独创,只为出众的钻孔表现1.锥形自定心刀尖2.四刃钨碳合金刀头3.锋利的刀刃4.极其优化的凹槽设计5.磨损标记规格表直径（毫米）工作长度（毫米）全长（毫米）每包数量订货编号550110126085850235100160126085850245150210126085850255.550110126085850265.510016012608585027650115126085850286100165126085850296150215126085850306200265126085850316.550115126085850326.5100165126085850336.5200265126085850357501151260858503671001651260858503785011512608585038810016512608585039815021512608585040820026512608585041830036512608585042840046512608585043105011512608585044101001651260858504510150215126085850461020026512608585047103003651260858504810400465126085850491210016512608585050121502151260858505112200265126085850521230036512608585053124004651260858505414100165126085859441415021512608585945)