
APEXX Blue Incremental Cutting Bit for Quartz & Granite. Diameter: 20mm. Diamond Height: 23mm. Thread: M12. Material: Quartz (ES); Granite. RPM: 4,500 - 5,000. These bits are used for incremental sink cut-outs with CNC machines or radial-arm machines likeFab King, Thibaut T108 or Park Wizard. Wet use only. APEXX Blue Incremental Cutting Bit. Medium bond - Good speed & Extra long life. Material: Engineered Stone, Granite.