STR 1 Profiling and underc u t t i n g Grade RE CW 7˚ INSL Ref. h  2 P Steel Insert M Stainless  K Cast iron   N Non-ferrous  S Superalloys   : First choice : Second choice H Hard materials Coated Uncoated Ext. Toolholder 3 Seat AH7025 Designation CW±0.05 RE AH8005 INSL h KS05F size STR3-150 3 3 1.5    20 5 STR4-200 4 4 2    20 5 STR5-250 5 5 2.5    25 5.5 STR6-300 6 6 3    25 5.5 Int. Toolholder 4 䖃 : Line up SGN External gr oo ving of h a rde n e d st e e l 5 RE Threading CW 7˚ INSL Ref. h 6 P Steel Grooving M Stainless K Cast iron N Non-ferrous S Superalloys : First choice H Hard materials  : Second choice CBN Edge prep. No symbol Seat 7 Designation CW±0.025 RE INSL h BX360 size S H Endmill SGN200-020 2 2 0.2  20 5 SGN200-020-S 2 2 0.2  20 5 SGN200-020-H 2 2 0.2  20 5 SGN300-020 3 3 0.2  20 5 SGN300-020-S 3 3 0.2  20 5 8 Drilling Tool SGN300-020-H 3 3 0.2  20 5 SGN400-020 4 4 0.2  20 5 SGN400-020-S 4 4 0.2  20 5 SGN400-020-H 4 4 0.2  20 5 SGN500-020-S 5 5 0.2  25 5.5 SGN500-020-H 5 5 0.2  25 5.5 Technical Reference 䖃 : Line up 9 Reference pages: Toolholders → 6-12 - 6-16, Standard cutting conditions → 6-26 6-25