SEC-Boring Bar S-ESYN Type For Medium Diameter General 85° Steel Pin Lock S-ESYN Fig 1 DMIN Min. Bore Dia. DCON Through Boring 85° Boring WF Bars H LF GAMF -6° (LHD) E Figure shows right-hand (R) tool. C Holder Parts Dimensions (mm) Stock Min. Cutting Applicable Insert Shim Eccentric Pin Wrench Overall Rake Material Bore Diameter Height Edge Head Holder Previous Length Angle Ref. Page Cat. No. Dia. Distance Fig Cat. No. R L Cat. No. D DMIN DCON H LF WF LHD GAMF (For Hex Socket) S25R-ESYN R/L1204-34 BSYN425 R/L 34 25 23 200 17 (20) -12° B41 1 CPB42 Steel SN□□1204 SSW423 LH030 S32S-ESYN R/L1204-44 BSYN432 R/L 44 32 30 250 22 (22) -10° on 1 CPB43S Right-handed (R) tool holders are compatible with left-handed (L) or neutral (N) inserts. R Left-handed (L) tool holders are compatible with right-handed (R) or neutral (N) inserts. The LHD ( ) is a reference value. S T V W Very Small Diameter Turning Small Diameter Turning Applicable Inserts S-DSKN / S-PSKN / S-ESKN / S-PSYN / S-ESYN Type Name of Chipbreaker/ GU Legend ● Refer as well to the Insert Selection Guide (page A10 on). 1st Recommended Insert CBN/PCD Photo ● Some combinations need to be made to order or cannot be manufactured. Grade AC8025P Cutting Range P (Steel) M (Stainless Steel) K (Cast Iron) S (Exotic Alloy) H (Hardened Steel) Hard Brittle Material Process Finishing Medium Cutting Roughing Finishing Medium Cutting Roughing High-speed Finishing Finishing to Medium Cutting Medium to Roughing Finishing Medium Cutting Roughing Coated Uncoated Finishing FE GU MU EF EG EM SUMIBORON UZ GZ EF EG EM SUMIBORON SUMIBORON SUMIDIA Binderless Continuous Cutting T1500Z AC8015P AC8025P AC6020M AC6020M AC6030M BN7000/BNC500 AC4010K AC4010K AC5015S AC5015S AC5015S BNC2010 BN1000 NPD10 SU GU MU EF EG EM SUMIBORON GZ GZ EF EG EM SUMIBORON SUMIBORON SUMIDIA General Cutting AC8015P AC8025P AC8025P AC6030M AC6030M AC6040M BN7000/BNC500 AC4015K AC4015K AC5015S AC5015S AC5025S BNC2020 BN2000 DA90 SX UX MX EF EG EM SUMIBORON GZ No Chipbreaker EF EG EM SUMIBORON SUMIBORON Interrupted — Cutting AC8025P AC8035P AC8035P AC6030M AC6040M AC6040M BN7000/BNC500 AC420K AC420K AC5025S AC5025S AC5025S BNC2020 BN350 Recommended Cutting Conditions A10 on A14 on A16 on A18 on A20 on M2 on BNC500 is for ductile cast iron. E47