
SEC-Boring Bars 93˚ B-STUP Type / D-STUP Type Finish-Medium Cut Steel with Fig 1 Fig 2 B-STUP Stop Boring vibration control mechanism DMIN Min. machinable diameter DCON DMIN Min. machinable diameter DCON 93° 93° WF WF H H GAMF LF GAMF LF ■ Parts 5° 5° LH LH This figure shows right handed tools. ■ Holders 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. Dimensions (mm) (For Torx holes) Min. machining Cutting edge Rake Holder Stock diameter Diameter Height Length distance Head angle Cat. No. Conventional Cat. No. Fig Applicable inserts Screws Wrenches Material R L DMIN DCON H LF WF LH GAMF B08H-STUP R/L0802-10 XBPT-608 R/L D D 10 8 7 100 5.0 13 −10 1 TP □□ 0802SS BFTX0204A 0.5 TRX06 D D 9 125 6.0 15 −8 Steel with vibration control mechanism B10K-STUP R/L1103-12 XBPT-210 R/L 12 10 BFTX0306A 2.0 B12M-STUP R/L1103-14 XBPT-212 R/L14 D D 14 12 11 150 7.0 17 −7 B12M-STUP R/L1103-16 XBPT-212 R/L D D 16 12 11 150 8.0 17 −6 BFTX0307A 2.0 B16R-STUP R/L1103-18 XBPT-216 R/L18 D D 18 16 15 200 9.0 18 −4 1 BFTX0306A 2.0 TP □□ 1103SS TRX10 D D 15 200 10.0 18 −2 B16R-STUP R/L1103-20 B20S-STUP R/L1103-22 XBPT-216 R/L XBPT-220 R/L D D 20 22 16 20 18 250 11.0 18 −2 22 300 14.0 18 −2 BFTX0307A 2.0 E B25T-STUP R/L1103-28 XBPT-225 R/L D D 28 25 Boring D D 30 300 20.0 50 −2 Bars B32T-STUP R/L1103-40 XBPT-232 R/L 40 32 2 B20S-STUP R/L1604-25 XBPT-320 R/L D D 25 20 18 250 12.5 18 −3 1 B25T-STUP R/L1604-28 XBPT-325 R/L D D 28 25 22 300 14.0 18 −2 TP □□ 1604SS BFTX0410A 3.4 TRX15 B32T-STUP R/L1604-40 XBPT-332 R/L D D 40 32 30 300 20.0 53 −2 2 Steel with D-STUP vibration DMIN Min. control machinable diameter DCON mechanism With oil hole Stop Boring Oil hole 93° WF H LF GAMF ■ Parts 5° LH This figure shows right handed tools. ■ Holders 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. Dimensions (mm) (For Torx holes) Min. machining Cutting edge Rake Holder Stock diameter Diameter Height Length distance Head angle Cat. No. Conventional Cat. No. Applicable inserts Screws Wrench Material R L DMIN DCON H LF WF LH GAMF D12M-STUP R/L1103-14 XBPT-212 R/L H14 D D 14 12 11 150 7 17 − 7 Anti-vibration with oil hole BFTX0306A 2.0 D16R-STUP R/L1103-18 XBPT-216 R/L H18 D D 18 16 15 200 9 18 − 4 TP □□ 1103SS TRX10 D20S-STUP R/L1103-22 XBPT-220 R/L H22 D D 22 20 18 250 11 18 − 2 BFTX0307A 2.0 Recommended tightening torque (N·m) E59