External HoldersNeg.Pos.Special WFHF WF HF H BHB Legend SEC-External Holders ESSN Type / ESKN Type SEC-30 Type Holder - General Turning, Facing and Chamfering 45˚ Pin Lock ESSN Fig 1 Fig 2 External / Facing / Chamfering 45˚ LF2 –8˚ LF 0˚ Figure shows right-hand (R) tool. C Holder Parts  Dimensions (mm) Cat. No. Previous Cat. No. Stock R L Height Width H B Overall Overall Cutting Cutting Edge Length Length 2 Edge Height LF LF2 WF HF Applicable Insert Eccentric Shaft Shim WrenchCat. No.Ref.FigPage ESSN R/L1212F09ESSN R/L1616H09 ESSN R/L1212 ●● 12 12 80ESSN R/L1616H32 ● ●161610073.893.8162011.515.5 SN□□0903 B40 1 P321US1P322US QQ KY40 ESSN R/L1616H12 ESSN R/L1616H43 16 16 100 91.7 20 15.5 1 P432U Q ESSN R/L2020K12 ESSN R/L2020 ●● 20 20 125 116.7 25 19.5 1 P433U Q ESSN R/L2020K12W ESSN R/L2020W ●● 20 20 125 116.7 25 19.5ESSN R/L2520M12ESSN R/L25202520150141.72524.5 SN□□1204ESSN R/L2520M12W ESSN R/L2520W2520150141.72524.52P433W ESS42B41on1P434UQ KY402P434WESS42 ESSN R/L2525M12 ESSN R/L2525 25 25 150 141.7 32 24.5 1 P434U Q ESSN R/L2525M12W ESSN R/L2525W ●● 25 25 150 141.7 32 24.5 2 P434W ESS42 C When using handed breaker inserts for facing, the holder and insert are opposite handed. SEC-30 Type Holder - Facing 75° Pin Lock D ESKN Fig 1 75˚ Fig 2 Facing LF R –5˚ –6˚ Figure shows right-hand (R) tool. S Holder Parts  Dimensions (mm) T Cat. No. Previous Cat. No. Stock R L Height Width Overall Length Cutting Edge Cutting Edge Height H B LF WF HF Applicable Insert Eccentric Shaft Shim WrenchCat. No.Ref.FigPage ESKN R/L1212F09ESKN R/L1616H09 ESKN R/L1212 ●● 12ESKN R/L1616H32 ● ●16121680100162011.515.5 SN□□0903 B40 1 P321US1P322US QQ KY40 ESKN R/L1616H12 ESKN R/L1616H43 16 16 100 20 15.5 1 P432U Q ESKN R/L2020K12 ESKN R/L2020 20 20 125 25 19.5 1 P433U Q V ESKN R/L2020K12W ESKN R/L2020W ●● 20 20 125 25 19.5ESKN R/L2520M12ESKN R/L252025201502524.5SN□□1204ESKN R/L2520M12WESKN R/L2520W25201502524.5 2 P433W ESS42B41on1P434UQ KY402P434WESS42 ESKN R/L2525M12 ESKN R/L2525 25 25 150 32 24.5 1 P434U Q W ESKN R/L2525M12W ESKN R/L2525W ● ● 25 25 150 32 24.5 2 P434W ESS42 When using handed breaker inserts for facing, the holder and insert are opposite handed. Applicable Inserts DSBN Type/DSDN Type/DSSN Type/PSBN Type/PSDN Type/PSSN Type/PSKN Type/ESBN Type/ESDN Type/ESSN Type/ESKN Type 1st Recommended Insert ● Refer as well to the Insert Selection Guide (page A10 on). Name ofChipbreaker /GUCBN / PCDPhoto ● 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 Continuous FE GU MU EF EG EM SUMIBORON UZ GZ EF EG EM SUMIBORON SUMIBORON SUMIDIA Binderless Cutting T1500Z AC8015P AC8025P AC6020M AC6020M AC6030M BN7000/BNC500 AC4010K AC4010K AC5015S AC5015S AC5015S BNC2010 BN1000 NPD10 General SU GU MU EF EG EM SUMIBORON GZ GZ EF EG EM SUMIBORON SUMIBORON SUMIDIA Cutting AC8015P AC8025P AC8025P AC6030M AC6030M AC6040M BN7000/BNC500 AC4015K AC4015K AC5015S AC5015S AC5025S BNC2020 BN2000 DA90 Interrupted SX UX MX EF EG EM SUMIBORON GZ No Chipbreaker EF EG EM SUMIBORON SUMIBORON Q Cutting AC8025P AC8035P AC8035P AC6030M AC6040M AC6040M BN7000/BNC500 AC420K AC420K AC5025S AC5025S AC5025S BNC2020 BN350 RecommendedCutting Conditions A10 on A14 on A16 on A18 on A20 on M2 on BNC500 is for ductile cast iron. C22