Where does one purchase a complete (less drive motor) milling spindle to hold end mills of 1/8- 1/2" diameter? This milling spindle will be mounted by me on a purpose built Z-slide with 10" of travel for my B'port mill. Though built on HSR-25 slides and driven by a 20mm ballscrew I would think that a 1/2horsepower cut would be all this would be capable of, especially for jobs that require the slide to be extended 6-10 inches.
Where can one buy a medium duty milling spindle? I will build the spindle mount so its base configuration and drive pulley location are not critical. This must be suitable for cutting steel mold components at times (with small cutters) though it will more commonly be used to machine plastics. No wood router spindles please! Thanks.