>> 技術描述:
1、鉆頭零件號隨鉆孔直徑以及鉆孔條件變化Button Bit part number varies according todrilling diameter and drilling conditions
2、與K4, DHD340A,COP44,QL340,Terranox4兼容 Compatable with K4,COP44,DHD340A,QL340,Terranox 4