1.TNGA CBN cutting insert 2.high speed cutting with efficiency 3.high abrasive resistance,precision 4.ISO9001 and RoHS Features1. The TNGA CBN insert meets the international standard of ISO.2. The TNGA CBN insert has the advantages of high abrasive resistance, high processing precision, good thermal conductivity and long service life.3. The TNGA CBN insert can realize high speed cutting and hard ...