SEC-External Holders PSDN Type SEC-70 Type Holder - General Turning and Chamfering 45˚ Lever Lock PSDN Fig 1 External / Chamfering External Holders –6 WF ˚ B –6˚ 45˚ LF LH C HF H Neg. Holder Parts  Dimensions (mm) Cutting Lever Shim Overall Cutting Applicable Insert Bolt Shim Wrench Height Width Edge Head Pin Pin Length Edge Stock Previous Cat. Height Cat. No. Fig No. Ref. Pos. Cat. No. H B LF WF HF LH Page (For Hex Socket) PSDN N1616H09 PSDN N1616-32 ● 16 16 100 8.0 16 22 SN□□0903 B40 1 LCL3 LCS3 LSS32 LSP3 LH025 PSDN N2020K12 PSDN N2020-43 ● 20 20 125 10.0 20 30 1 PSDN N2520M12 PSDN N2520-43 25 20 150 10.0 25 30 1 B41 PSDN N2525M12 PSDN N2525-43 ● 25 25 150 12.5 25 30 SN□□1204 1 LCL4 LCS4 LSS42 LSP4 LH030 C on PSDN N3225P12 PSDN N3225-43 32 25 170 12.5 32 30 1 PSDN N3232P12 PSDN N3232-43 ● 32 32 170 16.0 32 40 1 PSDN N3225P15 PSDN N3225-54 32 25 170 12.5 32 40 B45 1 SN□□1506 on LCL5 LCS5 LSS53 LSP5 LH030 PSDN N3232P15 PSDN N3232-54 32 32 170 16.0 32 40 1 PSDN N3232P19 PSDN N3232-64 ● 32 32 170 16.0 32 40 B47 1 D SN□□1906 on LCL6 LCS6 LSS63 LSP6 LH040 PSDN N4040R19 PSDN N4040-64 40 40 200 20.0 40 40 1 R S T V W Applicable Inserts DSBN Type/DSDN Type/DSSN Type/PSBN Type/PSDN Type/PSSN Type/PSKN Type/ESBN Type/ESDN Type/ESSN Type/ESKN Type Special Name of ● Refer as well to the Insert Selection Guide (page A10 on). Chipbreaker / GU Legend 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 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 Cutting Q 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. C19