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.
73310155071 S20U-MDUNL-4
73310155071 S20U-MDUNL-4 $ 319.81 $ 399.76

55071 S20U-MDUNL-4. Neg 55° Diamond Boring Bar LH. Style U, Neg 3° DNM_ 1/2 I.C.

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73310155070 S20U-MDUNR-4
73310155070 S20U-MDUNR-4 $ 319.81 $ 399.76

55070 S20U-MDUNR-4. Neg 55° Diamond Boring Bar RH. Style U, Neg 3° DNM_ 1/2 I.C.

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73310155067 S16T-MDUNL-3
73310155067 S16T-MDUNL-3 $ 263.84 $ 329.80

55067 S16T-MDUNL-3. Neg 55° Diamond Boring Bar LH. Style U, Neg 3° DNM_ 3/8 I.C.

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73310155066 S16T-MDUNR-3
73310155066 S16T-MDUNR-3 $ 263.84 $ 329.80

55066 S16T-MDUNR-3. Neg 55° Diamond Boring Bar RH. Style U, Neg 3° DNM_ 3/8 I.C.

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73310155055 S24U-MDPNR-4
73310155055 S24U-MDPNR-4 $ 351.80 $ 439.75

55055 S24U-MDPNR-4. Neg 55° Diamond Boring Bar RH. Style P, Neg 27.5° DNM_ 1/2 IC

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73310155056 S24U-MDPNL-4
73310155056 S24U-MDPNL-4 $ 351.80 $ 439.75

55056 S24U-MDPNL-4. Neg 55° Diamond Boring Bar LH. Style P, Neg 27.5° DNM_ 1/2 IC

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73310155099 S40V-MDUNL-5
73310155099 S40V-MDUNL-5 $ 524.13 $ 655.16

55099 S40V-MDUNL-5. Neg 55° Diamond Boring Bar LH. Style U, Neg 3° DNM_ 5/8 I.C.

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73310155098 S40V-MDUNR-5
73310155098 S40V-MDUNR-5 $ 524.13 $ 655.16

55098 S40V-MDUNR-5. Neg 55° Diamond Boring Bar RH. Style U, Neg 3° DNM_ 5/8 I.C.

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73310155054 S20U-MDPNL-4
73310155054 S20U-MDPNL-4 $ 319.81 $ 399.76

55054 S20U-MDPNL-4. Neg 55° Diamond Boring Bar LH. Style P, Neg 27.5° DNM_ 1/2 IC

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73310155078 S28U-MDUNR-4
73310155078 S28U-MDUNR-4 $ 386.00 $ 482.50

55078 S28U-MDUNR-4. Neg 55° Diamond Boring Bar RH. Style U, Neg 3° DNM_ 1/2 I.C.

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73310155053 S20U-MDPNR-4
73310155053 S20U-MDPNR-4 $ 319.81 $ 399.76

55053 S20U-MDPNR-4. Neg 55° Diamond Boring Bar RH. Style P, Neg 27.5° DNM_ 1/2 IC

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73310155074 S24U-MDUNR-4
73310155074 S24U-MDUNR-4 $ 351.80 $ 439.75

55074 S24U-MDUNR-4. Neg 55° Diamond Boring Bar RH. Style U, Neg 3° DNM_ 1/2 I.C.

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73310155091 S32V-MDUNL-5
73310155091 S32V-MDUNL-5 $ 413.67 $ 517.09

55091 S32V-MDUNL-5. Neg 55° Diamond Boring Bar LH. Style U, Neg 3° DNM_ 5/8 I.C.

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73310155083 S32V-MDUNL-4
73310155083 S32V-MDUNL-4 $ 413.67 $ 517.09

55083 S32V-MDUNL-4. Neg 55° Diamond Boring Bar LH. Style U, Neg 3° DNM_ 1/2 I.C.

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73310155082 S32V-MDUNR-4
73310155082 S32V-MDUNR-4 $ 413.67 $ 517.09

55082 S32V-MDUNR-4. Neg 55° Diamond Boring Bar RH. Style U, Neg 3° DNM_ 1/2 I.C.

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73310155090 S32V-MDUNR-5
73310155090 S32V-MDUNR-5 $ 413.67 $ 517.09

55090 S32V-MDUNR-5. Neg 55° Diamond Boring Bar RH. Style U, Neg 3° DNM_ 5/8 I.C.

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73310155079 S28U-MDUNL-4
73310155079 S28U-MDUNL-4 $ 386.00 $ 482.50

55079 S28U-MDUNL-4. Neg 55° Diamond Boring Bar LH. Style U, Neg 3° DNM_ 1/2 I.C.

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73310155075 S24U-MDUNL-4
73310155075 S24U-MDUNL-4 $ 351.80 $ 439.75

55075 S24U-MDUNL-4. Neg 55° Diamond Boring Bar LH. Style U, Neg 3° DNM_ 1/2 I.C.

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73310155095 S36V-MDUNL-5
73310155095 S36V-MDUNL-5 $ 481.31 $ 601.64

55095 S36V-MDUNL-5. Neg 55° Diamond Boring Bar LH. Style U, Neg 3° DNM_ 5/8 I.C.

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73310155780 S12S-SDUPR-3
73310155780 S12S-SDUPR-3 $ 191.23 $ 239.04

55780 S12S-SDUPR-3. Pos 55° Diamond Boring Bar RH. Style U, Neg 3° DP_T 3/8 I.C.

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73310155290 S40V-MVUNR-4
73310155290 S40V-MVUNR-4 $ 523.31 $ 654.14

55290 S40V-MVUNR-4. Neg 35° Diamond Boring Bar RH. Style U, Neg 3° VNM_ 1/2 I.C.

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73310155775 S06M-SDUPL-2
73310155775 S06M-SDUPL-2 $ 119.53 $ 149.41

55775 S06M-SDUPL-2. Pos 55° Diamond Boring Bar LH. Style U, Neg 3° DP_T 1/4 I.C.

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73310155291 S40V-MVUNL-4
73310155291 S40V-MVUNL-4 $ 523.31 $ 654.14

55291 S40V-MVUNL-4. Neg 35° Diamond Boring Bar LH. Style U, Neg 3° VNM_ 1/2 I.C.

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73310155283 S32V-MVUNL-4
73310155283 S32V-MVUNL-4 $ 413.67 $ 517.09

55283 S32V-MVUNL-4. Neg 35° Diamond Boring Bar LH. Style U, Neg 3° VNM_ 1/2 I.C.

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73310155279 S28U-MVUNL-4
73310155279 S28U-MVUNL-4 $ 405.29 $ 506.61

55279 S28U-MVUNL-4. Neg 35° Diamond Boring Bar LH. Style U, Neg 3° VNM_ 1/2 I.C.

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73310155774 S06M-SDUPR-2
73310155774 S06M-SDUPR-2 $ 119.53 $ 149.41

55774 S06M-SDUPR-2. Pos 55° Diamond Boring Bar RH. Style U, Neg 3° DP_T 1/4 I.C.

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73310155267 S16T-MVUNL-3
73310155267 S16T-MVUNL-3 $ 303.07 $ 378.84

55267 S16T-MVUNL-3. Neg 35° Diamond Boring Bar LH. Style U, Neg 3° VNM_ 3/8 I.C.

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73310155282 S32V-MVUNR-4
73310155282 S32V-MVUNR-4 $ 413.67 $ 517.09

55282 S32V-MVUNR-4. Neg 35° Diamond Boring Bar RH. Style U, Neg 3° VNM_ 1/2 I.C.

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73310155278 S28U-MVUNR-4
73310155278 S28U-MVUNR-4 $ 405.29 $ 506.61

55278 S28U-MVUNR-4. Neg 35° Diamond Boring Bar RH. Style U, Neg 3° VNM_ 1/2 I.C.

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73310155275 S24U-MVUNL-3
73310155275 S24U-MVUNL-3 $ 367.84 $ 459.80

55275 S24U-MVUNL-3. Neg 35° Diamond Boring Bar LH. Style U, Neg 3° VNM_ 3/8 I.C.

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73310155274 S24U-MVUNR-3
73310155274 S24U-MVUNR-3 $ 367.84 $ 459.80

55274 S24U-MVUNR-3. Neg 35° Diamond Boring Bar RH. Style U, Neg 3° VNM_ 3/8 I.C.

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73310155271 S20U-MVUNL-3
73310155271 S20U-MVUNL-3 $ 335.90 $ 419.87

55271 S20U-MVUNL-3. Neg 35° Diamond Boring Bar LH. Style U, Neg 3° VNM_ 3/8 I.C.

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73310155266 S16T-MVUNR-3
73310155266 S16T-MVUNR-3 $ 303.07 $ 378.84

55266 S16T-MVUNR-3. Neg 35° Diamond Boring Bar RH. Style U, Neg 3° VNM_ 3/8 I.C.

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73310155270 S20U-MVUNR-3
73310155270 S20U-MVUNR-3 $ 335.90 $ 419.87

55270 S20U-MVUNR-3. Neg 35° Diamond Boring Bar RH. Style U, Neg 3° VNM_ 3/8 I.C.

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73310155907 S08K-SWUCR-2
73310155907 S08K-SWUCR-2 $ 72.86 $ 91.07

55907 S08K-SWUCR-2. Mini Pos 80° Trigon BorBar RH. Style U, Neg 3° WCMT 1/4 I.C.

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73310155913 S06M-SWUCL-2
73310155913 S06M-SWUCL-2 $ 110.39 $ 137.99

55913 S06M-SWUCL-2. Pos 80° Trigon Boring Bar LH. Style U, Neg 3° WCMT 1/4 I.C.

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73310155916 S08M-SWUCR-2
73310155916 S08M-SWUCR-2 $ 110.39 $ 137.99

55916 S08M-SWUCR-2. Pos 80° Trigon Boring Bar RH. Style U, Neg 3° WCMT 1/4 I.C.

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73310155906 S06H-SWUCR-2
73310155906 S06H-SWUCR-2 $ 72.86 $ 91.07

55906 S06H-SWUCR-2. Mini Pos 80° Trigon BorBar RH. Style U, Neg 3° WCMT 1/4 I.C.

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

55902 S08H-SWUCR-1.2-3. Mini Pos 80° Trigon BorBar RH. Style U, Neg 3° WCMT 5/32 I.C.

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73310155582 S16T-SDUCR-4
73310155582 S16T-SDUCR-4 $ 270.50 $ 338.12

55582 S16T-SDUCR-4. Pos 55° Diamond Boring Bar RH. Style U, Neg 3° DC_T 1/2 I.C.

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73310155581 S20U-SDUCL-3
73310155581 S20U-SDUCL-3 $ 292.26 $ 365.32

55581 S20U-SDUCL-3. Pos 55° Diamond Boring Bar LH. Style U, Neg 3° DCMT 3/8 I.C.

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73310155920 S10R-SWUCR-2
73310155920 S10R-SWUCR-2 $ 130.59 $ 163.24

55920 S10R-SWUCR-2. Pos 80° Trigon Boring Bar RH. Style U, Neg 3° WCMT 1/4 I.C.

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73310155580 S20U-SDUCR-3
73310155580 S20U-SDUCR-3 $ 292.26 $ 365.32

55580 S20U-SDUCR-3. Pos 55° Diamond Boring Bar RH. Style U, Neg 3° DCMT 3/8 I.C.

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73310155568 S10R-SDUCR-2
73310155568 S10R-SDUCR-2 $ 160.13 $ 200.16

55568 S10R-SDUCR-2. Pos 55° Diamond Boring Bar RH. Style U, Neg 3° DCMT 1/4 I.C.

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73310155908 S10M-SWUCR-2
73310155908 S10M-SWUCR-2 $ 86.19 $ 107.74

55908 S10M-SWUCR-2. Mini Pos 80° Trigon BorBar RH. Style U, Neg 3° WCMT 1/4 I.C.

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73310155912 S06M-SWUCR-2
73310155912 S06M-SWUCR-2 $ 110.39 $ 137.99

55912 S06M-SWUCR-2. Pos 80° Trigon Boring Bar RH. Style U, Neg 3° WCMT 1/4 I.C.

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