... for cutting masonry building materials, such as concrete, bricks, stone blocks HOLE SAWDiamond core drills are on silver brazing type ... 450mmDiameter from 25mm to 300mmTungsten grit edged hole saws can dry&wet cutting those bricks, concrete, ceramics, tiles, granite slabs, ... from 14mm to 152mmTungsten grit tipped hole saw is to cut holes in concrete, bricks, cements, plaster, wood board, granite ...