Top Notch GROOVING & THREADING INSERTS 60° KCU10B KCU25B TURNING 1/8P P 䢇 䢇 M 䢇 䢇 ISO Metric-External K 嘷 嘷 N 䢇 嘷 䢇 Primary S 䢇 䢇 NTC-M-E 嘷 Secondary H 嘷 RC E External Thread Catalog Number Insert Size Thread Series mm in mm in KCU10B KCU25B Pitch mm Right Hand NTC3MR150E 3 M-Metric/ISO 0,20 0.008 3,68 0.145 1.50 — 7255324 NTC3MR200E 3 M-Metric/ISO 0,27 0.011 3,68 0.145 2.00 7237282 — 60° KCU25B P 䢇 M 䢇 Partial Profile K 嘷 60° External N 嘷 䢇 Primary S 䢇 NTU • 4 Edges • Reversible 嘷 Secondary H RC E External Thread External Catalog Number Insert Size Thread Series mm in mm in KCU25B Pitch mm TPI Right Hand NTU4R 4U UN 0,11 0.005 3,18 0.125 1.25-6.25 4-20 7254268 60° KCU10B KCU25B 60° P 䢇 䢇 Partial Profile 60° M 䢇 䢇 K 嘷 嘷 N 䢇 嘷 䢇 Primary S 䢇 䢇 NTK 嘷 Secondary H 嘷 RC E External Thread Internal Thread External Internal Catalog Number Insert Size Thread Series mm in mm in KCU10B KCU25B Pitch mm Pitch inch TPI TPI Right Hand NTK2R 2 UN 0,08 0.003 2,79 0.110 0,60-1,75 1.0-2.0 14-44 12-24 7236746 7247891 NTK3R 3 UN 0,08 0.003 3,58 0.141 0,60-2,50 1.0-2.5 10-44 9-24 7236748 7247893 Left Hand NTK2L 2 UN 0,08 0.003 2,79 0.110 0,60-1,75 1.0-2.0 14-44 12-24 7236745 7247890 NTK3L 3 UN 0,08 0.003 3,58 0.141 0,60-2,50 1.0-2.5 10-44 9-24 7236747 7247892 26 kennametal.com