SEC-Grooving Tools GNDF Type ■ Inserts for GNDF Dimensions (mm) Application Nose Coated carbide Cermet Carbide Width of cut Length Thickness External radius Pcs/ Shape Cat. No. Fig appearance CW Pack AC830P AC425K AC520U AC530U T2500A H10 Width of Tolerance RE L S cut MG GCM N3004-MG D D D D Q Q 3.0 ±0.03 0.4 21.1 3.8 Grooving/Traverse Turning GCM N4008-MG D D D D Q Q 4.0 ±0.03 0.8 26.4 4.0 Fig 1 5 1 General GCM N5008-MG D D D D Q Q 5.0 ±0.03 0.8 26.4 4.1 4-RE purpose type GCM N6008-MG D D D D Q Q 6.0 ±0.03 0.8 26.4 4.5 CW L ML GCM N3002-ML D D D D D Q 3.0 ±0.03 0.2 21.1 3.8 GCM N4004-ML D D D D D Q 4.0 ±0.03 0.4 26.4 4.0 S CW = 4.0 mm or less 5 1 CW = 5.0 mm or more GCM N5004-ML D D D D Q Q 5.0 ±0.03 0.4 26.4 4.1 Low feed type GCM N6004-ML D D D D Q Q 6.0 ±0.03 0.4 26.4 4.5 GG GCM N3002-GG D D D Q Q 3.0 ±0.03 0.2 21.1 3.8 GCM N4002-GG D D D Q Q 4.0 ±0.03 0.2 26.4 4.0 5 1 GCM N5002-GG D D D Q Q 5.0 ±0.03 0.2 26.4 4.1 GCM N6002-GG D D D Q Q 6.0 ±0.03 0.2 26.4 4.5 GCM N3004-GG D D D Q Q 3.0 ±0.03 0.4 21.1 3.8 GCM N4004-GG D D D Q Q 4.0 ±0.03 0.4 26.4 4.0 Grooving/Cut-Off Fig 1 5 1 General GCM N5004-GG D D D Q Q 5.0 ±0.03 0.4 26.4 4.1 4-RE purpose type GCM N6004-GG D D D Q Q 6.0 ±0.03 0.4 26.4 4.5 CW L GL GCM N3002-GL D D D Q Q 3.0 ±0.03 0.2 21.1 3.8 GCM N4002-GL D D D Q Q 4.0 ±0.03 0.2 26.4 4.0 S 5 1 GCM N5002-GL D D D Q Q 5.0 ±0.03 0.2 26.4 4.1 Low feed type GCM N6002-GL D D D Q Q 6.0 ±0.03 0.2 26.4 4.5 F GF GCM N3002-GF GCM N4002-GF D D D D D D D D Q Q 3.0 4.0 ±0.03 ±0.03 0.2 0.2 21.1 26.4 3.8 4.0 5 1 Grooving GCM N5002-GF D D D Q Q 5.0 ±0.03 0.2 26.4 4.1 Tools Low cutting force type GCM N6002-GF D D D Q Q 6.0 ±0.03 0.2 26.4 4.5 2-RE RN GCM N3015-RN D D D D Q Q 3.0 ±0.03 1.5 22.4 3.8 For non-ferrous metals Facing/Necking Fig 2 D D D D Q Q CW GCM N4020-RN 4.0 ±0.03 2.0 28.0 4.0 L 5 2 Grooving GCM N5025-RN D D D D Q Q 5.0 ±0.03 2.5 28.1 4.1 D D D D Q Q S General purpose type GCM N6030-RN 6.0 ±0.03 3.0 28.1 4.5 Q Q Q Q Q D Cut-Off Fig 3 4-RE GA GCG N3002-GA 3.0 ±0.025 0.2 21.1 3.8 Q Q Q Q Q D CW Threading GCG N4004-GA 4.0 ±0.025 0.4 26.4 4.0 5 3 L GCG N5004-GA Q Q Q Q Q D 5.0 ±0.025 0.4 26.4 4.1 Q Q Q Q Q D S General purpose type GCG N6004-GA 6.0 ±0.025 0.4 26.4 4.5 Use a combination of an insert and a holder with the same edge width CW. GNDIS type holders cannot be used. Recommended Cutting Conditions F21 D mark: Standard stock (expanded product) F34