PLA-6683轴直线微调钻孔头可调式轴距：20-100mm钻孔能力：木材、塑钢***大∮40mm铜、铝、锌***大∮16mm钢***大∮6mm钻孔头可承受高速运转达4500RPM适合家具类、玩具组合系列可装在一般钻孔机使用Adjustablewheelbase:20-100mmBoringcapacity:woodandplasticsteelformax.∮40mmCopper,aluminiumandzincformax.∮16mmIronandsteelformax.∮6mmBearablespeedyrotationforboringheadis4500RPMFitforthefurnitureandtoyscombinationseriesCanbefixedingeneralboringmachineforusing)