External turning Standard corner-R (RE) Side rake angle (°) Inclination angle (°) WFHF BH Toolholders for general purpose DN insert DDHN (External turning / External facing / External copying) 107.5° 15° LH LF D 107.5° Right-hand shown Toolholder dimensions Spare parts Availabi-lity Dimension (mm) Clamp Clamp screw Screw Shim Shim* Spring Wrench (Torx) Wrench (hex.) Description Applicableinserts R L H B LH HF LF WF DDHN& 2020K-1504 N N DD-44 DD-43 DN..1504 20 20 20 125 25 2020K-1506 N N DD-43 DD-44 DN..1506 37 0.8 -6 -6 CP-3D SB-4085TR CS-3D SP-3D FT-15 LW-3 2525M-1504 N N DD-44 DD-43 DN..1504 25 25 25 150 32 2525M-1506 N N DD-43 DD-44 DN..1506 Shims indicated * are not included with the toolholder. To change insert thickness, please purchase it separately. When using inserts whose corner-R(RE) is greater than 1.6 mm, additional modifications to the shim are necessary in order to prevent workpiece and shim from interfering each other. The insert with WF chipbreaker is not applicable for DDHN type toolholder. Wrench (FT-15) is sold separately. N : Standard item Recommended cutting conditions: D53 - D54 D12