SEC-Boring Bar S-DCLN / D-DCLN Type Medium Diameter General-purpose 95° Steel Double Clamp S-DCLN Fig 1 DMIN Min. Bore Dia. 95° DCON Fig 2 Fig 3 Bottom Facing -6° -6° WF LHD LHD Boring Bars E1 H LF -10° -6° LHD Figure shows right-hand (R) tool. E Holder Parts Dimensions (mm) Applicable Shim Upper Surface Lower Surface Stock Min. Cutting Clamp Set Shim Overall Insert Screw Wrench Wrench Material Bore Diameter Height Edge Head Offset C Holder Previous Cat. Length Cat. No. Dia. Distance Fig Ref. Page No. R L Cat. No. Nm DMIN DCON H LF WF LHD E1 (For Hex Socket) (For Hex Socket) S25R-DCLN R/L0903-32 Q ● ● 32 25 23 200 17.0 18 4.5 1 CN□□0903 B20 SCP-1 5.0 Q Q LH040 LH025 S25T-DCLN R/L0903-32 S25T-DCLN R/L 09 ● ● 32 25 23 300 17.0 18 4.5 1 D Steel S32S-DCLN R/L1204-40 Q ● ● 40 32 30 250 22.0 26 7.0 2 B22 S40T-DCLN R/L1204-50 Q ● ● 50 40 37 300 27.0 26 8.5 CN□□1204 2 SCP-2 5.0 CNS1204B BFTX0409N LH040 LH025 on S50U-DCLN R/L1204-63 Q ● ● 63 50 47 350 31.5 36 8.0 3 Feed direction of applicable inserts differs according to machining details. (Refer to * note below) Clamp Set Parts E70 R Steel with 95° Anti-Vibration Medium Diameter General-purpose Mechanism Coolant Hole Double Clamp S D-DCLN Fig 1 DMIN Min. Bore Dia. With oil hole DCON Bottom Facing 95° WF H LF GAMF T -6° LHD Figure shows right-hand (R) tool. V Holder Parts Dimensions (mm) Shim Upper Surface Lower Surface Stock Min. Cutting Applicable Insert Clamp Set Shim Overall Rake Screw Wrench Wrench Material Bore Diameter Height Edge Head Holder Length Angle W Cat. No. Dia. Distance Fig Ref. Page R L Cat. No. Nm DMIN DCON H LF WF LHD GAMF Very Small Diameter Turning Small Diameter Turning (For Hex Socket) (For Hex Socket) Steel with Anti- D25T-DCLN R/L1204-32 ● ● 32 25 23 300 17 26 -12° 1 CNS1203B BFTX0307N B22 Vibration Mechanism D32T-DCLN R/L1204-40 ● ● 40 32 30 300 22 26 -10° CN□□1204 1 SCP-2 5.0 LH040 LH025 on CNS1204B BFTX0409N with Oil Hole D40U-DCLN R/L1204-50 ● ● 50 40 37 350 27 26 -10° 1 Right-handed (R) tool holders are compatible with left-handed (L) or neutral (N) inserts. Left-handed (L) tool holders are compatible with right-handed (R) or neutral (N) inserts. Feed direction of applicable inserts differs according to machining details. (Refer to * note below) Clamp Set Parts E70 *Applicable Inserts for DCLN Type For internal diameter machining: Right-handed (R) tool holders are compatible with left-handed (L) or neutral (N) inserts. Left-handed (L) tool holders are compatible with right-handed (R) or neutral (N) inserts. For facing: Right-handed (R) tool holders are compatible with right-handed (R) or neutral (N) inserts. Left-handed (L) tool holders are compatible with left-handed (L) or neutral (N) inserts. Applicable Inserts S-DCLN / D-DCLN / S-PCLN / B-PCLN / S-ECLN 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) N (Non-ferrous) H (Hardened Steel) Process Finishing Medium Cutting Roughing Finishing Medium Cutting Roughing High-speed Finishing Finishing to Medium Cutting Medium to Roughing Finishing Medium Cutting Roughing High-precision/Finishing Finishing to Medium Cutting Coated Uncoated FE GU MU EF EG EM SUMIBORON UZ GZ EF EG EM SUMIDIA AX SUMIBORON SUMIBORON Continuous Cutting T1500Z AC8015P AC8025P AC6020M AC6020M AC6030M BN7000/BNC500 AC4010K AC4010K AC5015S AC5015S AC5015S DA1000 H1 BNC2010 BN1000 SU GU MU EF EG EM SUMIBORON GZ GZ EF EG EM SUMIDIA AX SUMIBORON SUMIBORON General Cutting AC8015P AC8025P AC8025P AC6030M AC6030M AC6040M BN7000/BNC500 AC4015K AC4015K AC5015S AC5015S AC5025S DA1000 H1 BNC2020 BN2000 SX UX MX EF EG EM SUMIBORON GZ No Chipbreaker EF EG EM SUMIDIA SUMIBORON SUMIBORON Interrupted — Cutting AC8025P AC8035P AC8035P AC6030M AC6040M AC6040M BN7000/BNC500 AC420K AC420K AC5025S AC5025S AC5025S DA1000 BNC300 BN350 Recommended Cutting Conditions A10 on A14 on A16 on A18 on A22 on A20 on BNC500 is for ductile cast iron. N m Recommended Tightening Torque (N·m) E17