GFF-R/L Tmax-a Face Grooving Inserts 7° R L D 1 W R Recommended Dimensions Tough 1  Hard Machining Data f face-groove Designation W ±0.10 R ±0.05 D 1 min D 1 max IC656 IC635 IC354 IC20 (mm/rev) GFF 2R/L 2.10 0.20 25.0 36.0 • • • • 0.03-0.13 GFF 3R/L 3.00 0.30 30.0 55.0 • • • • 0.03-0.15 FACE GROOVING For tools, see pages: SGFFA (457) • SGFFR/L (456) GFF-N Face Grooving Inserts Tmax-a 7° N R D 1 W Recommended Dimensions Tough 1  Hard Machining Data f face-groove Designation W ±0.10 R ±0.05 D 1 min IC656 IC635 IC354 IC20 (mm/rev) GFF 2N 2.10 0.20 35.0 • • • • 0.03-0.13 GFF 3N 3.00 0.30 54.0 • • • • 0.03-0.15 GFF 4N 4.00 0.25 35.0 • • • • 0.04-0.18 GFF 5N 5.00 0.25 40.0 • • • 0.05-0.18 GFF 6N 6.00 0.25 44.0 • • • • 0.05-0.20 For tools, see pages: SGFFA (457) • SGFFH (457) • SGFFR/L (456) ±0.04 34 Tmax. PENTA 34F-R/L Tmax-a D1 min D1 min Pentagonal Inserts for Face Grooving and Recessing R D 1 W R L Recommended Dimensions Machining Data f face-groove Designation W R T max- a D 1 min IC908 (mm/rev) PENTA 34F239-0.15-22R/L 2.39 0.15 5.00 22.0 • 0.08-0.12 PENTA 34F247-0.20-22R/L 2.47 0.20 5.00 22.0 • 0.08-0.12 PENTA 34F300-0.40-22R/L 3.00 0.40 5.00 22.0 • 0.08-0.15 PENTA 34F400-0.40-22R/L 4.00 0.40 5.00 22.0 • 0.08-0.15 • For cutting speed recommendations, see pages 460-470 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) 458 ISCAR