DGG 1 Ex ternal groo ving (for h i gh pre c i si on ) Grade RE CW 7˚ INSL Ref. h   2 P Steel Insert M Stainless  K Cast iron    N Non-ferrous  S Superalloys   : First choice H Hard materials : Second choice Coated Cermet Uncoated Ext. Toolholder 3 Seat AH7025 NS9530 Designation size CW±0.02 RE INSL h KS05F DGG200-020 2 2 0.2    20 5 DGG300-020 3 3 0.2    20 5 DGG400-040 4 4 0.4    20 5 DGG500-040 5 5 0.4    25 5.5 Int. Toolholder DGG600-040    4 6 6 0.4 25 5.5 : Line up DGE Ex ternal gr oo ving (for h i gh pre c i si on ) RE CDX 5 CW Threading 7˚ INSL Ref. h P Steel   M Stainless  6 K Cast iron    Grooving N Non-ferrous S Superalloys  : First choice H Hard materials : Second choice Coated Cermet Seat AH7025 NS9530 Designation GH130 CW±0.02 RE CDX INSL h AH725 size 7 Endmill DGE100-000 2 1 0    2.5 20 5 DGE130-000 2 1.3 0    2.5 20 5 DGE160-010 2 1.6 0.1     2.5 20 5 DGE185-010 2 1.85 0.1     3.5 20 5 DGE215-015 2 2.15 0.15     3.5 20 5 : Line up Caution 8 Drilling Tool øDmax øDmax is limited as shown in the picture to the right according to T the groove depth, T Please refer to the following table. T = Groove depth Max. groove øDmax (mm) Designation depth (mm) T=1 T = 1.5 T=2 T = 2.5 T=3 DGE100-000 Technical Reference DGE130-000 2 - - Relevant area 9 DGE160-010 ∞ 18.6 11.5 DGE185-010 (Interference) 3 8.8 7 DGE215-015 Reference pages: Toolholders → 6-12 - 6-16, Standard cutting conditions → 6-26 6-21