Diamond Core bit segment,drill segments,core segments they includes 6#, 10#,16#,30#, 60#, 80#, 100#, 120#, ... #, 200#, 400# 0Floor concrete segment,drill segments,quarry segments,diamond core drill bit segmentthis kind of segments are used by drilling and coring ... and fixed drilling machines.We could manufactures the concrete grinding segments with 6#, 10#,16#,30#, 60#, 80#, 100#, 120#, 180 ...