
SEC-Boring Bars 95° 95° S-ECLN Type / S-DWLN Type DMIN Min. ■ Inserts S-ECLN Steel machinable diameter DCON 95° UX Type ・CNMG090308N-UX Bottom Facing ・CNMG120408N-GE WF ・CNMG190612N-UX E1 (Representative example) H GE Type LF GAMF – 6° ■ Parts LH This figure shows right handed tools. ■ Holders The applicable insert direction depends on the process details. (See the notes marked with an asterisk (*) at the bottom of this page.) Dimensions (mm) Min. machining Diameter Cutting edge Rake Holder Conventional Stock diameter Height Length distance Head Offset angle Applicable inserts Eccentric Cat. No. Shims Wrenches Material Cat. No. R L DMIN DCON H LF WF LH E1 GAMF Cat. No. Page shafts S20Q-ECLN R/L0903-26 BCLN320 R/L D D 26 20 18 180 13 20 4.0 −12 Q CPU304C LH030 CN □□ 0903SS B20 S25R-ECLN R/L0903-34 BCLN325 R/L D D 34 25 23 200 17 20 5.5 −12 S25R-ECLN R/L1204-34 BCLN425 R/L D D 34 25 23 200 17 20 5.5 −12 SCW323 CPB32C CPB42 LH025 E Steel From S32S-ECLN R/L1204-44 BCLN432 R/L D D 44 32 30 250 22 25 7.0 −10 CN □□ 1204SS SCW423 CPB43S LH030 B22 Boring S40T-ECLN R/L1204-54 BCLN440 R/L D 8.5 −10 Bars 54 40 37 300 27 25 CPB43 From S50U-ECLN R/L1906-70 BCLN650 R/L 70 50 47 350 35 32 11.5 −10 CN □□ 1906SS SCW635 CPB64 LH040 B28 Fig 1 DMIN Min. Fig 2 DMIN Min. S-DWLN Steel machinable diameter DCON machinable diameter DCON Bottom Facing 95° 95° WF WF H H LF -12° LF -6° GAMF GAMF -6° -6° LH ■ Parts This figure shows right handed tools. ■ Holders (See the notes marked with an asterisk (*) at the bottom of this page.) The applicable insert direction depends on the process details. Dimensions (mm) Min. machining Diameter Cutting edge Rake Wrenches Wrenches Holder Stock diameter Height Length distance Head angle Applicable inserts Clamp Screws Cat. No. Fig Shims for shims for upper for lower Material R L DMIN DCON H LF WF LH GAMF Cat. No. Page sets surface surface From S32S-DWLN R/L0604-40 D D 40 32 30 250 22.0 29 −10 1 WN □□ 0604SS SCP-4 5.0 WNS0603B BFTX0307N LH040 LH025 B69 S25R-DWLN R/L0804-32 D D 32 25 23 200 17.0 26 −12 WNS0803B BFTX0307N Steel S32S-DWLN R/L0804-40 D D 40 32 30 250 22.0 26 −12 1 From WN □□ 0804SS SCP-2 5.0 LH040 LH025 S40T-DWLN R/L0804-50 D D 50 40 37 300 27.0 26 −12 B71 WNS0804B BFTX0409N S50U-DWLN R/L0804-63 D D 63 50 47 350 31.5 Q −12 2 Parts for clamp set E81 Note: About Applicable Inserts for ECLN Type and DWLN Type For internal machining: Right-handed (R) holders are applicable for left-handed (L) and neutral (N) inserts; left-handed (L) holders are applicable for right-handed (R) and neutral (N) inserts. For facing: Right-handed (R) holders are applicable for right-handed (R) and neutral (N) inserts; left-handed (L) holders are applicable for left-handed (L) and neutral (N) inserts. Recommended tightning torque(N・m) ● mark: Standard stocked item (expanded product) E25