SEC-Cut-Off Tools (Small Lathe Type) GNDM Type / GNDL Type ■ Insert for GNDM / GNDL (equipped with tool holders with) Dimensions (mm) Application Coated carbide Cermet Carbide Width of cut Nose Length Thickness Shape Type Cat. No. radius Pcs/ Fig AC830P AC425K AC520U AC530U T2500A H10 CW RE L S Pack Width of cut Tolerance GCM N2002-GG D D D Q Q 2.0 ±0.03 0.2 21.1 3.6 General purpose type GCM N3002-GG D D D Q Q 3.0 ±0.03 0.2 21.1 3.8 5 1 Grooving/Cut-Off Fig 1 GCM N3004-GG D D D Q Q 3.0 ±0.03 0.4 21.1 3.8 CW 4-RE GCM N2002-GL D D D Q Q 2.0 ±0.03 0.2 21.1 3.6 5 1 Low feed type GCM N3002-GL D D D Q Q 3.0 ±0.03 0.2 21.1 3.8 L GCM N125005-GF Q Q Q D Q Q 1.25 ±0.03 0.05 17.4 3.2 S GCM N150005-GF Q Q Q D Q Q 1.5 ±0.03 0.05 17.4 3.7 Low cutting force 5 1 type GCM N2002-GF Q Q D D Q 2.0 ±0.03 0.2 21.1 3.6 GCM N3002-GF D D D D Q 3.0 ±0.03 0.2 21.1 3.8 For non-ferrous metals Fig 3 4-RE GCG N2002-GA Q Q Q Q Q D 2.0 ±0.025 0.2 21.1 3.6 CW General purpose type GCG N3002-GA Q Q Q Q Q D 3.0 ±0.025 0.2 21.1 3.8 5 3 L S Application Coated carbide Cermet Carbide Width of cut Nose Length Thickness Shape Type Cat. No. radius Pcs/ Fig AC830P AC425K AC520U AC530U T2500A H10 CW Pack R L R L R L R L R L R L Width of cut Tolerance RE L S Fig 4 This figure shows right handed tools. GCM R/L2002-CG-05 DD DDDDQQQQ 2.0 ±0.03 0.2 21.1 3.6 Cut-Off CW GCM R/L3002-CG-05 DD DDDDQQQQ 3.0 ±0.03 0.2 21.3 3.8 5° L 4-RE General purpose type 5 4 S F Use a combination of an insert and holder with the same edge width CW. Recommended Cutting Conditions F21 Grooving Tools Grooving Cut-Off Threading D mark: Standard stock (expanded product) F61