W R Ø34 ±0.04 PENTA 34N-J Inserts with 5 Cutting Edges for Parting and Grooving Soft Materials, Parting Tubes, Small and Thin-Walled Parts 4.3 Recommended Dimensions Machining Data f groove Designation W ±0.02 R T max-r (1) IC908 (mm/rev) PENTA 34N150J015 1.50 0.15 8.50 • 0.03-0.10 GROOVE-TURN PENTA 34N200J020 2.00 0.20 8.50 • 0.04-0.12 PENTA 34N200J100 2.00 1.00 8.50 • 0.05-0.12 PENTA 34N239J015 2.39 0.15 8.50 • 0.04-0.16 PENTA 34N239J120 2.39 1.20 8.50 • 0.06-0.16 PENTA 34N250J020 2.50 0.20 8.50 • 0.04-0.16 PENTA 34N270J010 2.70 0.10 10.00 • 0.04-0.16 PENTA 34N300J000 3.00 0.00 10.00 • 0.04-0.10 PENTA 34N300J020 3.00 0.20 10.00 • 0.04-0.16 PENTA 34N300J040 3.00 0.40 10.00 • 0.04-0.16 PENTA 34N300J150 3.00 1.50 10.00 • 0.06-0.20 PENTA 34N318J020 3.18 0.20 3.18 • 0.20-0.16 • Recessing is possible only with 2.39 mm and wider inserts. • For cutting speed recommendations and user guide, see pages 340-351 (1) For grooving and parting depths relative to part diameter, see page 277 For tools, see pages: PCADR/L (268) • PCADR/L 34N-RE (269) • PCHBR/L (269) • PCHPR/L (268) • PCHR/L-34 (267) • PCHR/L-34-JHP (267) W Tmax-r 3.48 Ref. R GTGA Precision Shallow Grooving 9.525 Inserts with 3 Cutting Edges GTGA 16 ER/IL shown Recommended Dimensions Tough 1  Hard Machining Data f groove Designation W ±0.02 T max-r R ±0.03 IC528 IC508 (mm/rev) GTGA 16EL/IR 100 1.00 1.55 0.10 • • 0.02-0.03 GTGA 16ER/IL 100 1.00 1.55 0.10 • • 0.02-0.03 GTGA 16EL/IR 120 1.20 1.60 0.10 • • 0.02-0.03 GTGA 16ER/IL 120 1.20 1.60 0.10 • • 0.02-0.03 GTGA 16EL/IR 140 1.40 1.80 0.10 • • 0.02-0.04 GTGA 16ER/IL 140 1.40 1.80 0.10 • • 0.02-0.04 GTGA 16EL/IR 170 1.70 2.00 0.10 • • 0.03-0.05 GTGA 16ER/IL 170 1.70 2.00 0.10 • • 0.03-0.05 GTGA 16EL/IR 195 1.95 2.00 0.10 • • 0.03-0.06 GTGA 16ER/IL 195 1.95 2.00 0.10 • • 0.03-0.06 GTGA 16EL/IR 225 2.25 2.10 0.10 • • 0.04-0.06 GTGA 16ER/IL 225 2.25 2.10 0.10 • • 0.04-0.06 • Inserts for right-hand external grooving can be used as left-hand internal grooving. • Use with anvil AE 16-0 on external tools and with anvil AI 16-0 on internal tools. • For cutting speed recommendations and user guide, see pages 340-351 For tools, see pages: C#-SER/L (530) • SER-D (530) • SER/L (529) • SIR/L (531) W Tmax-r 3.48 Ref. R GTMA Utility Shallow Grooving Inserts with 3 Cutting Edges 9.525 GTMA 16 ER/IL shown Recommended Dimensions Machining Data f groove Designation W ±0.05 T max-r R ±0.05 IC508 (mm/rev) GTMA 16ER/IL 120 1.20 1.60 0.10 • 0.02-0.03 GTMA 16ER/IL 140 1.40 1.80 0.10 • 0.02-0.04 GTMA 16ER/IL 160 1.60 2.00 0.10 • 0.03-0.05 GTMA 16ER/IL 175 1.75 2.00 0.10 • 0.03-0.05 GTMA 16ER/IL 195 1.95 2.00 0.10 • 0.03-0.06 GTMA 16ER/IL 222 2.22 2.10 0.10 • 0.04-0.06 • Inserts for right-hand external grooving can be used as left-hand internal grooving. • Use with anvil AE 16-0 on external tools and with anvil AI 16-0 on internal tools. • For cutting speed recommendations and user guide, see pages 340-351 For tools, see pages: C#-SER/L (530) • SER/L (529) • SIR/L (531) 278 ISCAR