Diamond Core bit segment,drill segments,core segments they includes 6#, 10#,16#,30#, ... 0Floor concrete segment,drill segments,quarry segments,diamond core drill bit segmentthis kind of segments are used by drilling and ... fixed drilling machines.We could manufactures the concrete grinding segments with 6#, 10#,16#,30#, 60#, 80 ... by the customers., Segment for Diamond bits( segments core,core drill ...