... drilling holes from 8mm ~102mm. 4. 20 diamond core drill bits .20,22,24,28,50,63,76,102mm , suitable for the ... machine. Can also be used in both larger machines 25,28,32,44,50,76,83,102,120,150,180,202mm ... .run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); concrete or stone diamond core drilling machines