External toolholders VB/VC insert SVPB (External turning / External facing / External copying / Undercutting) WF B 25° 117.5° LF 0° HF H E Right-hand shown Toolholder dimensions Small tools Spare parts Availabi- Standard corner-R (RE) Dimension (mm) lity Clamp screw Shim Shim screw Wrench (Torx) Wrench (Torx) Wrench (hex.) Applicable Description inserts R L H B HF LF WF SVPB& 1010JX-11 N N 10 10 10 14.5 1212JX-11 N N 12 12 12 120 16.5 1616JX-11 N N 16 16 16 20.5 0.4 SB-2570TR - - FT-8 - - VB..1103 2020K-11 N N 20 20 20 125 25 2525M-11 N N 25 25 25 150 32 SVPB& 2020K-16N N N 20 20 20 125 25 0.8 SB-40125TRN SVN-32N SS-4N - FT-15 LW-4 VB..1604 2525M-16N N N 25 25 25 150 32 For insert with corner-R(RE) 0.2 or 0.4mm, shim (SVN-32S) is recommended (sold separately). (MIN.) DCN Corner-R ap DCN (RE) (mm) (MIN.) ap Corner-R(RE) Undercutting diameter 0.4 0.5 ø25 ap of SVPB 1 ø30 0.5 ø40 0.8 1 ø55 Recommended cutting conditions: E54 - E56 N : Standard item E38