SEC-Grooving Tools GNDType External Grooving Traverse Machining/Copying Grooving/Cut-Off GNDM type (for small lathe) GNDS type (for shallow groove) GNDM type GNDMS type GNDL type (for small lathe) GNDL type GNDLS type Straight type Straight type Straight type L type Straight type Straight type L type Expanded Expanded Expanded Shank size (vertical x horizontal) Shank size (vertical x horizontal) □20 × 20 mm Shank size (vertical x horizontal) □20 × 20 mm Shank size (vertical x horizontal) □25 × 25 mm Shank size (vertical x horizontal) □10 × 10 mm □25 × 25 mm Shank size (vertical x horizontal) Shank size (vertical x horizontal) □20 × 20 mm □32 × 25 mm □20 × 20 mm □12 × 12 mm □32 × 25 mm □20 × 20 mm □16 × 16 mm □25 × 25 mm □32 × 32 mm □25 × 25 mm □16 × 16 mm □32 × 32 mm □25 × 25 mm F22 F24 F26 F26 F22 F28 F28 Corresponding edge widths (mm) Corresponding edge widths (mm) Corresponding edge widths (mm) Corresponding edge widths (mm) Corresponding edge widths (mm) Corresponding edge widths (mm) Corresponding edge widths (mm) 1.25 1.5 2.0 1.25 1.5 2.0 1.25 1.5 2.0 1.25 1.5 2.0 1.25 1.5 2.0 1.25 1.5 2.0 1.25 1.5 2.0 3.0 4.0 5.0 3.0 4.0 5.0 3.0 4.0 5.0 3.0 4.0 5.0 3.0 4.0 5.0 3.0 4.0 5.0 3.0 4.0 5.0 6.0 7.0 8.0 6.0 7.0 8.0 6.0 7.0 8.0 6.0 7.0 8.0 6.0 7.0 8.0 6.0 7.0 8.0 6.0 7.0 8.0 Applicable chipbreaker Applicable chipbreaker Applicable chipbreaker Applicable chipbreaker Applicable chipbreaker Applicable chipbreaker Applicable chipbreaker MG ML GG GL GF RG RN CG GA MG ML GG GL GF RG RN CG GA MG ML GG GL GF RG RN CG GA MG ML GG GL GF RG RN CG GA MG ML GG GL GF RG RN CG GA MG ML GG GL GF RG RN CG GA MG ML GG GL GF RG RN CG GA MG : Multi-purpose/general purpose type ML : Multi-purpose/low feed type GG : Grooving/general purpose type GL : Grooving/low feed type GF : Grooving/low cutting force type ■ External Machining Series RG : Pro ling/general purpose type RN : Facing/Neking/general purpose type CG : Cut-off type GA : Non-ferrous metal/general purpose type Type Shank size Edge width (mm) Max. groove depth (mm) Applicable chipbreaker (mm) Type Page Height (H) Width (B) 1.25 1.5 2 3 4 5 6 7 8 5 10 15 20 25 30 MG ML GG GL GF RG RN CG GA 1.25 1.5 GNDL 10 G 10 10 2 GNDL Small type 10 → F22 S G G G G G G 3 GNDL 10 S S G G G G S G G 1.25 1.5 GNDL 12 G F For small lathe 12 12 2 GNDL Small type 12.5 → F22 S G G G G G G 3 GNDL 12.5 S S G G G G S G G Grooving 1.25 GNDM Small type 8 → F22 G Tools 1.25 1.5 GNDL Small type 12.5 → F22 G 1.5 GNDM Small type 10 → F22 G 16 16 2 GNDM Small type 12 → F22 G G G G G G G 2 GNDL Small type 16 → F22 S G G G G G G Grooving 3 GNDM Small type 12 → F22 G G G G G G S G G Cut-Off 3 GNDL Small type 16 → F22 S S G G G G S G G 1.25 1.5 GNDM 10 → F26 G Threading 1.25 1.5 GNDL 16 → F28 G 2 GNDS 6 → F24 G G G G G G G 2 GNDM 10 → F26 G G G G G G G 2 GNDL 20 → F28 S G G G G G G 3 GNDS 6 → F24 G G G G G G S G G 3 GNDM 12 → F26 G G G G G G S G G 20 20 3 GNDL 20 → F28 S S G G G G S G G 25 25 4 GNDS 10 → F24 G G G G G G S G G Straight type 4 GNDM 18 → F26 G G G G G G S G G 4 GNDL 25 → F28 S S G G G G S G G 56 GNDS 10 → F24 G G G G G G S G 56 GNDM 18 → F26 G G G G G G S G 56 GNDL 25 → F28 S S G G G G S G 7 8 GNDM 18 → F26 G G G G G G 7 8 GNDL 25 → F28 S S G G G G 3 GNDM 12 → F26 G G G G G G S G G 3 GNDL 20 → F28 S S G G G G S G G * 4 GNDM 18 → F26 G G G G G G S G G 32 25 4 GNDL 25 → F28 S S G G G G S G G 32 32 56 GNDM 18 → F26 G G G G G G S G 56 GNDL 25 → F28 S S G G G G S G 7 8 GNDM 18 → F26 G G G G G G 7 8 GNDL 25 → F28 S S G G G G 2 GNDLS 16 → F28 S G G G G G G 3 GNDMS 10 → F26 G G G G G G S G G 20 20 3 GNDLS 16 → F28 S S G G G G S G G 4 GNDMS 12 → F26 G G G G G G S G G 5 GNDMS 12 → F26 G G G G G G S G L type 2 GNDLS 18 → F28 S G G G G G G 3 GNDMS 12 → F26 G G G G G G S G G 3 GNDLS 18 → F28 S S G G G G S G G 25 25 4 GNDMS 14 → F26 G G G G G G S G G 4 GNDLS 23 → F28 S S G G G G S G G 56 GNDMS 14 → F26 G G G G G G S G 56 GNDLS 23 → F28 S S G G G G S G : Stock * mark: Made-to-order item (shank size □32 × 25 mm) G: 1st recommendation S: 2nd recommendation Red Letters: Expanded product F15