External turning WFSStandard corner-R (RE) Standard corner-R (RE)Back rake angle (°) WFHFSide rake angle (°)WFSInclination angle (°)WFHF BHBH Toolholders for general purpose SN insert PSSN (External turning / External facing / External chamfering) 45° LH 45° LF D Right-hand shown Toolholder dimensions Spare parts Availabi-lity Dimension (mm) Lever Lock screw Punch Shim Shim pin Wrench (hex.) Wrench (hex.) Description Applicable inserts R L H B LH HF LF WF PSSN& 1616H-09 N N 16 16 22 16 100 20 13.6 0.8 -8 0 LL-1N LS-1N PC-1 LS-32 LSP-1 FH-2.5 - SN..0903 PSSN& 2020K-12 N N 20 20 20 125 25 16.4 29 0.8 -8 0 LL-2N LS-2N PC-2 LS-42 LSP-2 - LW-3 SN..1204 2525M-12 N N 25 25 25 150 32 23.4 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. PSSNR/L: When using handed inserts,For External Turning, Right-hand Insert for Right-hand Toolholder, Left-hand Insert for Left-hand Toolholder. For Facing, Left-hand Insert for Right-hand Toolholder, Right- hand Insert for Left-hand Toolholder. PSDNN (External turning / External chamfering) 45° LH 45° LF Toolholder dimensions Spare parts Availabi-lity Dimension (mm) Lever Lock screw Punch Shim Shim pin Wrench (hex.) Wrench (hex.) Description Applicable inserts N H B LH HF LF WF PSDNN 1616H-09 N 16 16 21 16 100 8 0.8 -8.5 LL-1N LS-1N PC-1 LS-32 LSP-1 FH-2.5 - SN..0903 PSDNN 2020K-12 N 20 20 20 125 10 30 0.8 -8.5 LL-2N LS-2N PC-2 LS-42 LSP-2 - LW-3 SN..1204 2525M-12 N 25 25 25 150 12.5 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. N : Standard item Recommended cutting conditions: D53 - D54 D18