55° 93° 62.5° DNGX-Ceramic 55° Rhombic Double-Sided di Dimpled Ceramic Inserts for Machining Cast Iron r l S Recommended Dimensions Tough 1  Hard Machining Data a p f Designation l di S r IS8 IS80 IS6 (mm) (mm/rev) DNGX 150712T 15.50 12.70 7.94 1.20 • • • 0.10-4.00 0.10-0.50 DNGX 150716T 15.50 12.70 7.94 1.60 • • 0.10-5.00 0.10-0.50 • For user guide and cutting speed recommendations, see pages 197-212 For tools, see pages: TDJNR/L-CH (76) • TDNNN-CH (76) ISOTURN INSERTS 93º 35° VNGA-Ceramic 93° 35° Rhombic Double-Sided Ceramic di Inserts with a T-Land for Machining 72.5° Cast Iron and Hardened Steel r l S Recommended Dimensions Tough 1  Hard Machining Data a p f Designation l di S r IN22 IN420 (mm) (mm/rev) VNGA 160404T 16.60 9.52 4.76 0.40 • • 0.70-2.50 0.06-0.30 VNGA 160408T 16.60 9.52 4.76 0.80 • 0.80-3.00 0.08-0.35 • For user guide and cutting speed recommendations, see pages 197-212 For tools, see pages: MVJNR/L (35) • MVVNN (36) 60° 93° TNGN-Ceramic 93° Triangular Double-Sided l Ceramic Inserts for Machining Cast Iron, Hardened Steel and Nickel Based Alloys r di S Recommended Dimensions Tough 1  Hard Machining Data a p f Designation l di S r IW7 IS9 IS8 IS80 IN23 IN22 IN420 (mm) (mm/rev) TNGN 160408E 16.50 9.52 4.76 0.80 • 1.00-3.50 0.10-0.35 TNGN 160408T 16.50 9.52 4.76 0.80 • • • • 1.00-3.50 0.10-0.35 TNGN 160412T 16.50 9.52 4.76 1.20 • • • 0.10-4.00 0.10-0.40 TNGN 220408T 22.00 12.70 4.76 0.80 • 0.10-5.00 0.10-0.50 TNGN 220712T 22.00 12.70 7.94 1.20 • 0.10-5.00 0.10-0.50 • For user guide and cutting speed recommendations, see pages 197-212 For tools, see pages: CTJNR/L (75) 181