f UMGR-A55 0.8 Mini Indexable Inserts with Whitworth Partial Profile for Threading in 0.1 55 ° Right-hand shown 5.2 mm and Larger Holes Dimensions THREADING Designation f TPI max TPI min P min P max D min IC508 UMGR 4.0-A55 2.7 48 18 0.50 1.40 5.20 • For tools, see pages: MGUHR (327) 55° R Tmax-r GIQR/L-WT f l Internal Inserts with Whitworth Partial Profile for Threading in Left-hand shown 8 mm and Larger Holes Dimensions Designation l R ±0.03 T max-r f D min P min TPI max IC528 GIQR/L 8-WT-0.05 7.78 0.05 1.50 4.8 8.00 0.50 50 • GIQR/L 11-WT-0.05 10.68 0.05 2.00 6.7 11.00 0.50 50 • • Can be used for thread milling by circular interpolation. • TPI min D/5.9 • D-diameter of thread (pitch max<=W) • For cutting speed recommendations, see pages 536-546 For tools, see pages: MG (330) • MGCH (330) TTG-16E-A60 External Inserts with 10 Threading Corners and 60° Partial Profile di for General Industry R W Dimensions Designation P min P max TPI max TPI min R W di IC908 TTG-16E-A60 0.50 1.50 48 16 0.05 2.10 16.00 • • For detailed cutting data, see pages 536-546 For tools, see pages: SER/L-TT (528) 493