Developed for use on CNC, semi-automatic and portable machines, our GTS Fast Cut drills produce clean holes in granite, marble and engineered stone at very high speed. Fast-Cut drills are stocked in the following sizes; 12, 16, 20, 25, 28, 30, 35, 40, 45 and 50mm,with 7mm high diamond crown, 100mm overall length (including ½" BSP male fitting).