... mill,tap,generic tools etcJGK1488120.514.192.53800Suitable for the hole processing and thread processing ,but especially suitable for machining ... powder sintered into a grain size of cemented carbide at 0.5um applying to glass fiber,wood ,plastic,aluminum ... the overall producing of stamping dies and tools such as red needles,punch,dies and other accessaries . Tungsten carbide rod with central hole ...