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.
Ultra Dex a06k-svjbr2 A06K SVJBR2. Arch Part # 957-000-041
Ultra Dex a06k-svjbr2 A06K SVJBR2. Arch Part # 957-000-041 $ 98.29 $ 122.86

Spherical Boring Steel Coolant Thru .445" Min Bore x 3/8" Shank x 5" OAL RH Boring Bar for VBMT21.5_ Inserts

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Ultra Dex a10q-svjbr2 A10Q SVJBR2. Arch Part # 957-000-099
Ultra Dex a10q-svjbr2 A10Q SVJBR2. Arch Part # 957-000-099 $ 129.71

Spherical Boring Steel Coolant Thru .700" Min Bore x 5/8" Shank x 7" OAL RH Boring Bar for VBMT33_ Inserts

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Ultra Dex a12q-svjbr3 A12Q SVJBR3. Arch Part # 957-000-122
Ultra Dex a12q-svjbr3 A12Q SVJBR3. Arch Part # 957-000-122 $ 151.07

Spherical Boring Steel Coolant Thru .840" Min Bore x 3/4" Shank x 7" OAL RH Boring Bar for VBMT33_ Inserts

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Ultra Dex a08m-svjbr2 A08M SVJBR2. Arch Part # 957-000-075
Ultra Dex a08m-svjbr2 A08M SVJBR2. Arch Part # 957-000-075 $ 107.07

Spherical Boring Steel Coolant Thru .570" Min Bore x 1/2" Shank x 6" OAL RH Boring Bar for VBMT21.5_ Inserts

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Kyocera A16TSVJBR2AE Right-Hand, Positive Rake, Coolant-Through Boring Bar
Kyocera A16TSVJBR2AE Right-Hand, Positive Rake, Coolant-Through Boring Bar $ 305.36 $ 359.25

Kyocera A16TSVJBR2AE Right-Hand, Positive Rake, Dynamic Bar Coolant-Through Boring Bar with 52 Degree Lead Angle and 1.1800" Minimum Bore Dia.

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Kyocera A12SSVJBR2AE Right-Hand, Positive Rake, Coolant-Through Boring Bar
Kyocera A12SSVJBR2AE Right-Hand, Positive Rake, Coolant-Through Boring Bar $ 267.86 $ 315.13

Kyocera A12SSVJBR2AE Right-Hand, Positive Rake, Dynamic Bar Coolant-Through Boring Bar with 52 Degree Lead Angle and 0.9840" Minimum Bore Dia.

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Ultra Dex e12s-svjbr3 E12S SVJBR3. Arch Part # 920-000-349
Ultra Dex e12s-svjbr3 E12S SVJBR3. Arch Part # 920-000-349 $ 593.68

E12S SVJBR3 Spherical Boring Carbide Coolant Thru .840" Min Bore x 3/4" Shank x 10" OAL RH Boring Bar for VBMT33_ Inserts

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Ultra Dex e10s-svjbr2 E10S SVJBR2. Arch Part # 920-000-295
Ultra Dex e10s-svjbr2 E10S SVJBR2. Arch Part # 920-000-295 $ 500.05

E10S SVJBR2 Spherical Boring Carbide Coolant Thru .700" Min Bore x 5/8" Shank x 10" OAL RH Boring Bar for VBMT21.5_ Inserts

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Ultra Dex e08r-svjbr2 E08R SVJBR2. Arch Part # 920-000-243
Ultra Dex e08r-svjbr2 E08R SVJBR2. Arch Part # 920-000-243 $ 334.69

E08R SVJBR2 Spherical Boring Carbide Coolant Thru .570" Min Bore x 1/2" Shank x 8" OAL RH Boring Bar for VBMT21.5_ Inserts

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Ultra Dex e06m-svjbr2 E06M SVJBR2. Arch Part # 920-000-172
Ultra Dex e06m-svjbr2 E06M SVJBR2. Arch Part # 920-000-172 $ 265.51

E06M SVJBR2 Spherical Boring Carbide Coolant Thru .445" Min Bore x 3/8" Shank x 6" OAL RH Boring Bar for VBMT21.5_ Inserts

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