... abrasive formations such as limestone, dolomite,chert and hard sandstone,etc.Large radius conical compacts in ... inner row,spherical compacts in crest and outer row,and inequable spaced compacts arrangement.0.50~1 ... .0.50~1.20200~401.Type:TCI -tungsten carbide insert and Milled tooth2.Available size: 85.5MM,88. ... 117,126,127,136,137,216,217.TCI-tungsten carbide insert:417,437,517,527,537,547,617 ...