Diamond Core bit segment,drill segments,core segments they includes 6#, 10#,16#,30#, ... 60#, 80#, 100#, 120#, 180#, 200#, 400# 0Floor concrete segment,drill segments,quarry segments,diamond core drill bit segmentthis kind ... *3.0 *10mm,. other size are ordered by the customers., Segment for Diamond bits( segments core,core drill segments)