Parting Inserts TGTN, GMM - Parting Insert 切斷刀片 P Steel M Stainless steel Cutting Type : General Interrupted K Cast iron Cutter Page Grade Dimensions (mm) CX30NS CX40NS Inserts Designation Drawing w r h m TGTN 0220 ✓ ✓ 2.2 0.2 B181 TGTN 0310 ✓ ✓ 3.1 0.15 GMM 2020-RG ✓ ✓ 2.2 2.0 4.3 1.5 B183 B130