External turning Standard corner-R (RE) Side rake angle (°) WFHFInclination angle (°)Standard corner-R (RE)WFHF Side rake angle (°) Inclination angle (°) BHBH Toolholders for ceramic inserts SN insert CSKNR (External facing) 75° 75° LH LF D Right-hand shown Toolholder dimensions Spare parts Availabi-lity Dimension (mm) Chipbreaker Clamp set Shim Shim screw Shim* Wrench (hex.) Description Applicable inserts R L H B LH HF LF WF CSKN& 2020K-12 N 20 20 20 125 2527 0.8 -6 -4 CB-11 CE-0202525M-12NN25252515032- SP-141 M3X8 SP-143 LW-4 SN..1207(SN..1204) CSKNR 3225P-15 N 32 25 37 32 170 32 1.2 -6 -4 CB-51 - CE-220 SP-162 M4X10 - LW-4 SN..1507 Shims indicated * are not included with the toolholder. When using SN□□1204 type insert, please purchase shim (SP-143) and screw (M3X12) separately. CSYN (External facing) 85° 85° LH LF Right-hand shown Toolholder dimensions Spare parts Availabi-lity Dimension (mm) Chipbreaker Clamp set Shim Shim screw Shim* Wrench (hex.) Description Applicable inserts R L H B LH HF LF WF CSYN& 2525M-12 N N 25 25 27 25 150 32 0.8 -6 -4 CB-11 CE-020 SP-141 M3X8 SP-143 LW-4 SN..1207(SN..1204) Shims indicated * are not included with the toolholder. When using SN□□1204 type insert, please purchase shim (SP-143) and screw (M3X12) separately. N : Standard item Recommended cutting conditions: D53 - D54 D42