Boring Bars

Use a Steel Boring Bar if you are reaching less than 4X Length to Diameter. Use a Carbide Boring Bar is you are reaching between 4X to 8X Length to Diameter or if finish is critical. Also, if you have Coolant Thru use it whenever possible. Use Filters on Left to Narrow Down Boring Bar that is the Best Fit for Your Application.

Boring Bars
- Brand
  - Dorian
  - Dorian Tool
  - Kyocera
  - Ultra Dex
  - ZCC
- Boring Bar Material
  - Carbide
  - Steel
- Type
  - Back Boring
  - Boring Bars
  - Profiling
  - Profiling/Undercutting
  - Spherical Boring
  - Standard
  - Standard Lead
  - Sub Spindler Holder
- Insert Geometry
  - CCMT 432
  - CCMT21.5_
  - CCMT32.5_
  - CDGW 1.510
  - CDGW1.210
  - CDGW1.510
  - CDHB 1.20.60
  - CDHB 1.20.60.5
  - CNMG 332
  - CNMG32_
  - CNMG43_
  - CPMT 1.81.20.5
  - CPMT1.81.20.5
  - CPMT21.5_
  - CPMT32.5_
  - DCMT21.5_
  - DCMT32.5_
  - DNMG33_
  - DNMG43_
  - DPMT32.5_
  - SCMT 432
  - SCMT21.5_
  - SCMT32.5_
  - TCMT 1.21.20.5
  - TCMT1.21.20.5
  - TCMT1.21_
  - TCMT21.5_
  - TCMT32.5_
  - TNMG33_
  - TNMG43_
  - TPMT21.5_
  - TPMT32.5_
  - VBMT21.5_
  - VBMT22_
  - VBMT33_
  - VBMT43_
  - VCMT1.51.5_
  - VCMT22_
  - VCMT33_
  - VNMG33_
  - WCMT 1.210.5
  - WCMT 1.51.50.5
  - WCMT1.210.5
  - WCMT21.5_
  - WCMT32.5_
  - WCMT33_
  - WNMG33_
  - WNMG43_
- Shank Diameter
  - 1"
  - 1.250"
  - 1.500"
  - 1.750"
  - 1/2"
  - 1/4"
  - 2"
  - 2.500"
  - 3/16"
  - 3/4"
  - 3/8"
  - 5/16"
  - 5/32"
  - 5/8"
  - 7/32"
- Min Bore
  - .1.180"
  - .175"
  - .180"
  - .205"
  - .208"
  - .222"
  - .230"
  - .245"
  - .270"
  - .275"
  - .281"
  - .285"
  - .312"
  - .335"
  - .339"
  - .340"
  - .342"
  - .345"
  - .394"
  - .395"
  - .396"
  - .400"
  - .410"
  - .445"
  - .456"
  - .460"
  - .472"
  - .490"
  - .512"
  - .550"
  - .560"
  - .570"
  - .581"
  - .585"
  - .587"
  - .600"
  - .620"
  - .625"
  - .630"
  - .700"
  - .712"
  - .720"
  - .740"
  - .750"
  - .760"
  - .770"
  - .780"
  - .787"
  - .790"
  - .840"
  - .844"
  - .850"
  - .920"
  - .980"
  - .984"
  - 0.228"
  - 0.308"
  - 0.374"
  - 0.394"
  - 0.477"
  - 0.492"
  - 0.500"
  - 0.550"
  - 0.602"
  - 0.610"
  - 0.625"
  - 0.708"
  - 0.730"
  - 0.768"
  - 0.770"
  - 0.780"
  - 0.797"
  - 0.812"
  - 0.840"
  - 0.850"
  - 0.930"
  - 0.954"
  - 0.980"
  - 1"
  - 1.050"
  - 1.125"
  - 1.180"
  - 1.185"
  - 1.190"
  - 1.200"
  - 1.240"
  - 1.250"
  - 1.260"
  - 1.280"
  - 1.300"
  - 1.310"
  - 1.340"
  - 1.435"
  - 1.450"
  - 1.465"
  - 1.470"
  - 1.500"
  - 1.530"
  - 1.570"
  - 1.625"
  - 1.700"
  - 1.705"
  - 1.730"
  - 1.750"
  - 1.780"
  - 1.960"
  - 1.965"
  - 2"
  - 2.250"
  - 2.400"
  - 2.500"
  - 2.562"
  - 3"
  - 3.250"
  - 3.750"
  - 5/16"
- RH or LH
  - LH
  - RH
- Coolant Thru
  - No
  - Yes
- Overall Length
  - 10"
  - 12"
  - 14"
  - 16"
  - 2.5"
  - 3"
  - 3.15"
  - 3.5"
  - 3.543"
  - 4"
  - 4.5"
  - 4.724"
  - 5"
  - 6"
  - 6.6"
  - 6.80"
  - 6.86"
  - 7"
  - 7.80"
  - 8"
  - 9"
  - 9.80"
- Offset
  - .083"
  - .0935"
  - .102"
  - .118"
  - .146"
  - .173"
  - .177"
  - .1875"
  - .194"
  - .197"
  - .217"
  - .240"
  - .250"
  - .256"
  - .315"
  - .335"
  - .355"
  - .375"
  - .472"
- Max reach

73310155330 S24U-MWLNR-4 $ 309.44 $ 386.80

55330 S24U-MWLNR-4 Dorian Tool 1.780" Min Bore x 1.500" Shank x 14" OAL Standard Lead Steel Boring Bar for WNMG43_ Inserts

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73310155109 S40V-MSKNL-6 $ 476.16 $ 595.20

55109 S40V-MSKNL-6. Neg Square Boring Bar LH. Style K, 15DEG SNM_ 3/4 I.C.

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73310155365 S16T-CTFPL-3 $ 263.84 $ 329.80

55365 S16T-CTFPL-3. Pos Triangle Boring Bar LH. Style F, 0DEG TPG 3/8 I.C.

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73310155167 S28U-MTFNL-3 $ 342.03 $ 427.54

55167 S28U-MTFNL-3. Neg Triangle Boring Bar LH. Style F, 0DEG TNM_ 3/8 I.C.

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73310155229 S32V-MTUNL-4 $ 364.23 $ 455.29

55229 S32V-MTUNL-4. Neg Triangle Boring Bar LH. Style U, Neg 3DEG TNM_ 1/2 I.C.

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73310155183 S32V-MTFNL-4 $ 364.23 $ 455.29

55183 S32V-MTFNL-4. Neg Triangle Boring Bar LH. Style F, 0DEG TNM_ 1/2 I.C.

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73310155179 S28U-MTFNL-4 $ 342.03 $ 427.54

55179 S28U-MTFNL-4. Neg Triangle Boring Bar LH. Style F, 0DEG TNM_ 1/2 I.C.

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73310155178 S28U-MTFNR-4 $ 342.03 $ 427.54

55178 S28U-MTFNR-4. Neg Triangle Boring Bar RH. Style F, 0DEG TNM_ 1/2 I.C.

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73310155194 S48Y-MTFNR-4 $ 577.41 $ 721.76

55194 S48Y-MTFNR-4. Neg Triangle Boring Bar RH. Style F, 0DEG TNM_ 1/2 I.C.

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73310155170 S20U-MTFNR-4 $ 281.76 $ 352.20

55170 S20U-MTFNR-4. Neg Triangle Boring Bar RH. Style F, 0DEG TNM_ 1/2 I.C.

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73310155166 S28U-MTFNR-3 $ 342.03 $ 427.54

55166 S28U-MTFNR-3. Neg Triangle Boring Bar RH. Style F, 0DEG TNM_ 3/8 I.C.

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73310155162 S24U-MTFNR-3 $ 309.44 $ 386.80

55162 S24U-MTFNR-3. Neg Triangle Boring Bar RH. Style F, 0DEG TNM_ 3/8 I.C.

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73310155159 S20U-MTFNL-3 $ 281.76 $ 352.20

55159 S20U-MTFNL-3. Neg Triangle Boring Bar LH. Style F, 0DEG TNM_ 3/8 I.C.

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73310155216 S24U-MTUNR-3 $ 309.44 $ 386.80

55216 S24U-MTUNR-3. Neg Triangle Boring Bar RH. Style U, Neg 3DEG TNM_ 3/8 I.C.

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73310155158 S20U-MTFNR-3 $ 281.76 $ 352.20

55158 S20U-MTFNR-3. Neg Triangle Boring Bar RH. Style F, 0DEG TNM_ 3/8 I.C.

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73310155393 S32V-CTFPL-4 $ 364.23 $ 455.29

55393 S32V-CTFPL-4. Pos Triangle Boring Bar LH. Style F, 0DEG TPG 1/2 I.C.

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73310155208 S16T-MTUNR-3 $ 263.84 $ 329.80

55208 S16T-MTUNR-3. Neg Triangle Boring Bar RH. Style U, Neg 3DEG TNM_ 3/8 I.C.

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73310155171 S20U-MTFNL-4 $ 281.76 $ 352.20

55171 S20U-MTFNL-4. Neg Triangle Boring Bar LH. Style F, 0DEG TNM_ 1/2 I.C.

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73310155217 S24U-MTUNL-3 $ 309.44 $ 386.80

55217 S24U-MTUNL-3. Neg Triangle Boring Bar LH. Style U, Neg 3DEG TNM_ 3/8 I.C.

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73310155232 S40V-MTUNR-4 $ 476.16 $ 595.20

55232 S40V-MTUNR-4. Neg Triangle Boring Bar RH. Style U, Neg 3DEG TNM_ 1/2 I.C.

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73310155228 S32V-MTUNR-4 $ 364.23 $ 455.29

55228 S32V-MTUNR-4. Neg Triangle Boring Bar RH. Style U, Neg 3DEG TNM_ 1/2 I.C.

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73310155423 S12S-SCFCL-3 $ 157.03 $ 196.29

55423 S12S-SCFCL-3. Pos 80DEG Diamond Boring Bar LH. Style F, 0DEG CC_T 3/8 I.C.

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73310155385 S24U-CTFPL-4 $ 309.44 $ 386.80

55385 S24U-CTFPL-4. Pos Triangle Boring Bar LH. Style F, 0DEG TPG 1/2 I.C.

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73310155225 S24U-MTUNL-4 $ 309.44 $ 386.80

55225 S24U-MTUNL-4. Neg Triangle Boring Bar LH. Style U, Neg 3DEG TNM_ 1/2 I.C.

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73310155426 S08R-SDXCR-2 $ 119.53 $ 149.41

55426 S08R-SDXCR-2 Dorian Tool 0.730" Min Bore x 1/2" Shank x 8" OAL Back Boring Steel Boring Bar for DCMT21.5_ Inserts

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73310155768 S10S-SCLPL-3 $ 130.59 $ 163.24

55768 S10S-SCLPL-3 Dorian Tool 0.770" Min Bore x 5/8" Shank x 10" OAL Standard Lead Steel Boring Bar for CNMG43_ Inserts

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73310155224 S24U-MTUNR-4 $ 309.44 $ 386.80

55224 S24U-MTUNR-4. Neg Triangle Boring Bar RH. Style U, Neg 3DEG TNM_ 1/2 I.C.

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73310155770 S12S-SCLPL-3 $ 157.03 $ 196.29

55770 S12S-SCLPL-3 Dorian Tool 0.930" Min Bore x 3/4" Shank x 10" OAL Standard Lead Steel Boring Bar for CNMG43_ Inserts

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73310155432 S16T-SDXCR-3 $ 270.50 $ 338.12

55432 S16T-SDXCR-3 Dorian Tool 1.300" Min Bore x 1" Shank x 12" OAL Back Boring Steel Boring Bar for DCMT21.5_ Inserts

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73310155191 S40V-MTFNL-4 $ 476.16 $ 595.20

55191 S40V-MTFNL-4. Neg Triangle Boring Bar LH. Style F, 0DEG TNM_ 1/2 I.C.

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73310155220 S20U-MTUNR-4 $ 281.76 $ 352.20

55220 S20U-MTUNR-4. Neg Triangle Boring Bar RH. Style U, Neg 3DEG TNM_ 1/2 I.C.

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73310155108 S40V-MSKNR-6 $ 476.16 $ 595.20

55108 S40V-MSKNR-6. Neg Square Boring Bar RH. Style K, 15DEG SNM_ 3/4 I.C.

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73310155907 S08K-SWUCR-2 $ 72.86 $ 91.07

55907 S08K-SWUCR-2 Dorian Tool 0.550" Min Bore x 1/2" Shank x 5" OAL Profiling Steel Boring Bar for WCMT33_ Inserts

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73310155213 S20U-MTUNL-3 $ 281.76 $ 352.20

55213 S20U-MTUNL-3. Neg Triangle Boring Bar LH. Style U, Neg 3DEG TNM_ 3/8 I.C.

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73310155212 S20U-MTUNR-3 $ 281.76 $ 352.20

55212 S20U-MTUNR-3. Neg Triangle Boring Bar RH. Style U, Neg 3DEG TNM_ 3/8 I.C.

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73310155209 S16T-MTUNL-3 $ 263.84 $ 329.80

55209 S16T-MTUNL-3. Neg Triangle Boring Bar LH. Style U, Neg 3DEG TNM_ 3/8 I.C.

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73310155767 S10S-SCLPR-3 $ 130.59 $ 163.24

55767 S10S-SCLPR-3 Dorian Tool 0.770" Min Bore x 5/8" Shank x 10" OAL Standard Lead Steel Boring Bar for CNMG43_ Inserts

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73310155913 S06M-SWUCL-2 $ 110.39 $ 137.99

55913 S06M-SWUCL-2 Dorian Tool 0.500" Min Bore x 3/8" Shank x 6" OAL Profiling Steel Boring Bar for WCMT33_ Inserts

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73310155205 S12S-MTUNL-3 $ 210.10 $ 262.62

55205 S12S-MTUNL-3. Neg Triangle Boring Bar LH. Style U, Neg 3DEG TNM_ 3/8 I.C.

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73310155916 S08M-SWUCR-2 $ 110.39 $ 137.99

55916 S08M-SWUCR-2 Dorian Tool 0.625" Min Bore x 1/2" Shank x 6" OAL Profiling Steel Boring Bar for WCMT33_ Inserts

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73310155204 S12S-MTUNR-3 $ 210.10 $ 262.62

55204 S12S-MTUNR-3. Neg Triangle Boring Bar RH. Style U, Neg 3DEG TNM_ 3/8 I.C.

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73310155221 S20U-MTUNL-4 $ 281.76 $ 352.20

55221 S20U-MTUNL-4. Neg Triangle Boring Bar LH. Style U, Neg 3DEG TNM_ 1/2 I.C.

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73310155906 S06H-SWUCR-2 $ 72.86 $ 91.07

55906 S06H-SWUCR-2 Dorian Tool 0.394" Min Bore x 3/8" Shank x 4" OAL Profiling Steel Boring Bar for WCMT33_ Inserts

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73310155902 S08H-SWUCR-1.2-3 $ 72.86 $ 91.07

55902 S08H-SWUCR-1.2-3 Dorian Tool 0.308" Min Bore x 1/2" Shank x 4" OAL Profiling Steel Boring Bar for WCMT33_ Inserts

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73310155418 S08R-SCFCR-2 $ 110.39 $ 137.99

55418 S08R-SCFCR-2. Pos 80DEG Diamond Boring Bar RH. Style F, 0DEG CC_T 1/4 I.C.

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73310155422 S12S-SCFCR-3 $ 157.03 $ 196.29

55422 S12S-SCFCR-3. Pos 80DEG Diamond Boring Bar RH. Style F, 0DEG CC_T 3/8 I.C.

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73310155424 S16T-SCFCR-3 $ 247.19 $ 308.99

55424 S16T-SCFCR-3. Pos 80DEG Diamond Boring Bar RH. Style F, 0DEG CC_T 3/8 I.C.

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73310155585 S08M-SDQCR-2 $ 119.53 $ 149.41

55585 S08M-SDQCR-2 Dorian Tool 0.730" Min Bore x 1/2" Shank x 6" OAL Profiling/Undercutting Steel Boring Bar for DCMT21.5_ Inserts

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