Aluminum working high speed spindle attachment for sale One-stop shopping cnc router parts replacement supplier This item for sale here is 5.5kw high speed stone working spindle attachment. What difference does this water cooled high speed spindle attachment have when compared with ordinary woodworking router spindle motors? To answer this question, let's take a look at the difference between stone processing and wood machining first. From the raw material hardness, stone is much harder than wood. Stone and metal need to be machining with water shower; while wood no need. The water recycle system spray water on router cutters and table for two purpose mainly: cooling the cutters and reducing the dust. Obviously, a woodworking spindle is very difficult for stone or light metal processing tasks. Thats why a special spindle motor is needed for this purpose. Here is the answer for previous question. Complete set of 5.5kw ER25 high speed spindle attachment contains: Spindle motor 1 PC Spanner 1 PC Wiring connector 1 PC Collet 1 PC Image alt- full set 5.5kw er25 stone metal working high speed spindle attachment To check the latest spindle price, please inquire now.