
BoringSmal Diameter Turning BarsVery Smal Diameter Turning Holder Material WF E1 Ref. Page Legend SEC-Boring Bar C-SVQB Type 108° Carbide Internal ProfilingScrew-on C-SVQB Fig 1 DMIN Min.Bore Dia. DCON Profiling 108° H 35° LF -6.5° (-4.5°) Figure shows right-hand (R) tool. E Holder Parts Dimensions (mm) Cat. No. Stock Min.Bore Dia.DiameterHeight OverallLength CuttingEdgeOffsetDistance Applicable Insert Fig Flat Screw Wrench C R L Cat. No. Nm DMIN DCON H LF WF E1 (For Torx Holes) Carbide C16R-SVQB R/L1103-20C20R-SVQB R/L1103-25 ●● 2025 1620 15 200 11.51820014.5 45 VB□□1103 B120 11 BFTX02508NV 1.5 TRX08 Right-handed (R) tool holders are compatible with left-handed (L) or neutral (N) inserts. D Left-handed (L) tool holders are compatible with right-handed (R) or neutral (N) inserts. R S T V W Applicable Inserts S-SVJB / B-SVJB / S-SVQB / B-SVQB / C-SVQB / S-SVUB / B-SVUB / C-SVUB / S-SVZB / B-SVZB / C-SVZB Type 1st Recommended Insert ● Refer as well to the Insert Selection Guide (page A10 on).● Some combinations need to be made to order or cannot be manufactured. Name ofChipbreaker/GUCBN/PCDPhotoGradeAC8025P Cutting Range P (Steel) M (Stainless Steel) K (Cast Iron) S (Exotic Alloy) N (Non-ferrous) H (Hardened Steel) Process Finishing Medium Cutting Finishing Medium Cutting High-speed Finishing Finishing to Medium Cutting Finishing to Medium Cutting Finishing to Medium Cutting Coated Uncoated General FB SU LB SU SUMIBORON No Chipbreaker SI AY SUMIBORON SUMIBORON Cutting T1500Z AC8025P AC6030M AC8025P BN7000/BNC500 AC4015K AC5015S H1 BNC2020 BN2000 High FYS SI FYS SI SUMIBORONPrecisionAC1030UAC1030UAC1030UAC1030U BN7000/BNC500—SIAC5015S — SUMIBORON SUMIBORONBNC2010BN1000 RecommendedCutting ConditionsA10 on A14 on A16 on A18 on A22 on A20 on BNC500 is for ductile cast iron. E34 N m Recommended Tightening Torque (N·m)