Ocean Diamond APEXX Reverse-Thread CNC Finger Bit for Stone

Designed for Left-Hand-Thread 5-Axis machines such as Sasso K600 and Park Saber; Soft bond makes it a great option for all natural stones and engineered stones, even as hard as Taj Mahal (natural quartzite); The bottom segment enables the drill-down when needed; Fit all Left-Hand-Thread CNC machines; Material: Natural Quartzite, Granite, Engineered Stone; Wet use only; ITEM # COLOR DIAMOND DIAMETER DIAMOND HEIGHT THREAD MATERIALS SUGGESTED RPM FEED RATE 22601-01058 Blue 20mm  (w/ Bottom Segment) 40mm ½"�Gas Natural Quartzite, Granite, Engineered Stone 4,500 -- 5,000 10--16 ipm