hCWCWh AH7025AH7025 DGL External grooving and parting RE 7˚ INSL Ref. P Steel M Stainless K Cast iron N Non-ferrous S Superalloys : First choice H Hard materials : Second choice Coated External Designation SeatsizeCW±0.05 RE INSL h Internal DGL3-025 3 3 0.25 z 20 5 DGL4-030 4 4 0.3 z 20 5 DGL5-030 5 5 0.3 z 25 5.5 Face DGL6-080 6 6 0.8 z 25 5.5 z: Line up Parting Others DTM External/Internal face grooving and turning RE 6˚ INSL Ref. P Steel M Stainless K Cast iron N Non-ferrous S Superalloys : First choice H Hard materials : Second choice Coated Designation SeatsizeCW±0.05 RE INSL h DTM3-030 3 3 0.3 z 20 5 DTM4-040 4 4 0.4 z 20 5 DTM4-080 4 4 0.8 z 20 5 DTM5-080 5 5 0.8 z 25 5.5 DTM6-080 6 6 0.8 z 25 5.5 DTM8-080 8 8 0.8 z 30 6.7 z: Line up Reference pages: Toolholders → F168 - F169, Standard cutting conditions → F183 F174 www.tungaloy.com