SGM External deep gr oo vi n g a n d pa rt i n g, 1 c orn e r RE Neutral PSIRL Left hand RE Right hand CW RE PSIRR INSL Ref. 7˚ INSL Ref. 7˚ INSL Ref. 7˚ h h h P Steel  M Stainless  K Cast iron    N Non-ferrous  S Superalloys    : First choice H Hard materials : Second choice External Coated Uncoated AH7025 AH8005 Seat Designation GH130 CW±0.05 RE INSL h PSIRL PSIRR AH725 KS05F size HAND Internal SGM2-020 2 N 2 0.2      20 5 0º 0º SGM2-020-6R 2 R 2 0.2    20 5 0º 6º Face SGM2-020-6L 2 L 2 0.2    20 5 6º 0º SGM3-020 3 N 3 0.2      20 5 0º 0º SGM3-020-6R 3 R 3 0.2    20 5 0º 6º Parting SGM3-020-6L 3 L 3 0.2    20 5 6º 0º SGM3-020-15R 3 R 3 0.2    20 5 0º 15º SGM3-020-15L 3 L 3 0.2    20 5 15º 0º SGM4-030 4 N 4 0.3      20 5 0º 0º SGM4-030-4R 4 R 4 0.3    20 5 0º 4º SGM4-030-4L 4 L 4 0.3    20 5 4º 0º SGM5-030 5 N 5 0.3      25 5.5 0º 0º SGM6-030 6 N 6 0.3     25 5.5 0º 0º : Line up DTF Face groo ving and t u rn i n g RE CW 12˚ 7˚ INSL Ref. h L1 Right hand (R) shown. P Steel   M Stainless  K Cast iron    N Non-ferrous S Superalloys  : First choice H Hard materials : Second choice Coated Cermet AH7025 NS9530 Seat Designation HAND CW±0.05 RE GH130 INSL h L1 AH725 T9225 size DTF3-040-R 3 R 3 0.4      20 5 16 DTF3-040-L 3 L 3 0.4      20 5 16 DTF4-040-R 4 R 4 0.4      20 5 16 DTF4-040-L 4 L 4 0.4      20 5 16 : Line up Reference pages: Toolholders → 6-12 - 6-16, Standard cutting conditions → 6-26 6-18