
Since Gem Diamonds acquired local diamonds in 2006, it has found three diamonds that have entered the world's top 20 diamonds, one of which is the 603-carat Lesotho promise, which sells for $12.4 million.
Conical pdc cutter mainly used for gage protection or as main cutting teeth of roller bit for petroleum drilling. It is also for DTH bit requiring high efficiency.Conical pcd insert has excellent wear resistance and impact toughness.With the special shape design of diamond layer, conical pcd insert can reduce the pdc damage,improve the drilling speed and prolong service life.
Conical Pdc Cutter,Roller Bit Pdc Cutters,Onical Pdc Cutter,Pdc Cutter For Chain Saw
HENAN YALONG DIAMOND TOOLS CO.,LTD , https://www.pdcpcbncutter.com