
SEC-Boring Bar S-PTFN / B-PTFN Type For Medium Diameter General-purpose 91° Steel Lever Lock S-PTFN Stop Boring Fig 1 DMIN Min. Bore Dia. DCON Fig 2 DMIN Min. Bore Dia. DCON 91˚ 91° Boring WF WF Bars H H LF GAMF LF GAMF -6° -6° E LHD Figure shows right-hand (R) tool. Holder Parts Dimensions (mm) Lever Shim C Stock Min. Overall Cutting Rake Applicable Insert Bolt Shim Wrench Pin Pin Material Work Diameter Height Edge Head Holder Previous Length Angle Cat. No. Dia. Distance Fig Cat. No. Ref. R L Cat. No. DMIN DCON H LF WF LHD GAMF Page (For Hex Socket) D S25R-PTFN R/L1604-32 Q ● ● 32 25 23 200 16.0 21.5 -12° 1 S32S-PTFN R/L1604-40 Q ● ● 40 32 30 250 20.0 21.0 -10° 1 S32S-PTFN R/L1604-44 S32S-PTFN R/L16 ▲ ▲ 44 32 30 250 22.0 21.0 -10° TN□□1604 B56 on 1 LCL3 LCS3 LST317CA LSP3 LH025 Steel S40T-PTFN R/L1604-50 Q ● ● 50 40 37 300 25.0 21.0 -10° 1 S50U-PTFN R/L1604-63 Q ● ● 63 50 47 350 31.5 Q -10° 2 R S40T-PTFN R/L2204-54 S40T-PTFN R/L22 ▲ ▲ 54 40 37 300 27.0 26.0 -10° 1 TN□□2204 B61 on LCL4 LCS4 LST42 LSP4 LH030 S50U-PTFN R/L2204-70 S50U-PTFN R/L22 ▲ ▲ 70 50 47 350 35.0 33.0 -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. S 91° Steel with For Medium Diameter General-purpose Anti-Vibration Mechanism Lever Lock T B-PTFN Stop Boring Fig 1 DMIN Min. Bore Dia. 91° DCON WF H LF V GAMF -6° LHD Figure shows right-hand (R) tool. W Holder Parts Dimensions (mm) Lever Shim Stock Min. Cutting Rake Applicable Insert Bolt Shim Wrench Very Small Diameter Turning Overall Pin Pin Material Bore Diameter Height Edge Head Holder Small Diameter Turning Cat. No. Length Angle Fig Dia. Distance Ref. Page R L Cat. No. DMIN DCON H LF WF LHD GAMF (For Hex Socket) Steel with B25T-PTFN R/L1604-32 ● 32 25 23 300 16 21 -12° 1 B56 Anti-Vibration B32U-PTFN R/L1604-40 ● 40 32 30 350 20 21 -10° TN□□1604 1 LCL3 LCS3 LST317CA LSP3 LH025 on Mechanism B40W-PTFN R/L1604-50 ● 50 40 37 450 25 21 -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. ▲ mark: To be replaced by a new product, made to order, or discontinued (please confirm stock availability). E56