JET JMD 45GHPF Geared Head Square Column Mill Drill with Power Downfeed R8 Spindle 6 Speed Fascia Bit Combining variable speed control Combining variable speed control this bit covers the standard depth and sizing needed for most dowel pin and shelf pin boring applications in solid wood JET JMD 45GHPF Geared Head Square Column Mill Drill with Power Downfeed is a heavy duty milling and drilling machine engineered by JET to deliver the rigidity and precision required for a wide variety of demanding applications in high intensity environments making it compatible with a wide selection of standard accessories and cutting tools