TSP drilling bit inserts 1.high temperature 2.wear resistance 3.high hardness TSP drilling bit inserts from Henan Union Abrasives Corp with super ... ,1.5*1.5*4,1.5*1.5*5,2*2*10,3*3*10,4*4*10,etc.Triangle :4 ... *4*4*2.6,4*4*4*3,6*6*6*4.5 ... ,6.2*6.2*6.2*4.3,etc.Cylinders:1.5*4,1.8 ... .3*3.3,6.5*3.3,8*3,10*2,10*3, etc. Application: Different TSP products with different ...