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Solid Carbide Lathe Boring Bars



RedLine Tools offers more than 29,000 products including solid carbide lathe boring bars. RedLine Tools' premium tungsten carbide bars, which are proudly made in the USA, provide outstanding results due to their stiffness and durability. These carbide bars are extremely effective in a variety of applications including boring, grooving, threading, profiling and reverse profiling a wide range of materials.


Our solid carbide boring bars, threading bars, profiling and grooving bars are also available in a quick-change version with great repeatability, which will save you time and money by increasing your overall efficiency. In addition to carbide bars, we also carry standard and quick change lathe boring bar holders to reduce vibration and keep your cuts as accurate as possible.


Browse our selection of solid carbide lathe boring bars below by size, depth, brand, coating, and more to find the exact tool you need. Whether you’re searching for just one tool or a complete tooling package, we provide the carbide bars and other quality products you need at competitive prices.

Solid Carbide Lathe Boring Bars Catalog

To view our catalog for solid carbide boring bars, threading bars, profiling and grooving bars, and more, CLICK HERE.

RedLine Tools offers more than 29,000 products and has the inventory to match your tool needs, including solid carbide boring bars. Whether you’re searching for just one tool or a complete tooling package, we provide the quality products you need at competitive prices.

Our Selection of Solid Carbide Lathe Boring Bars

*Photos may not be the exact representation of our carbide bar products.

Carbide Bars 
Viewing Page 1 of 25 (242 results)
Solid Carbide Boring Bar, .3500 Minimum Bore, .0070 Radius, .3125 Shank, AlTiN

RBB041110A

Boring Bar, .3500 Min Bore, .0070 Radius, .3125 Shank Dia, AlTiN Coated
RedLine Tools Made in the USA
IN STOCK
15 Available from Factory
UOM : EA
$76.37



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Carbide Boring Bar, .2300 Minimum Bore, .0050/.0080 Radius, 1.2000 Maximum Depth

RBB101370RA

Boring Bar, .2300 Min Bore, 1.2000 Max Depth, .0050/.0080 Radius, .3125 Shank Dia, AlTiN Coated
RedLine Tools Made in the USA
IN STOCK
1 Available from Factory
UOM : EA
$40.53



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Carbide Threading Tool .290 Minimum Bore

RTB301470

Threading Bar, .2900 Min Bore, .7500 Max Depth, .0700 Off Set, .3125 Shank Dia, Uncoated
RedLine Tools Made in the USA
IN STOCK
UOM : EA
$38.95



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Carbide Threading Tool .290 Minimum Bore

RTB301475

Threading Bar, .2900 Min Bore, 1.0000 Max Depth, .0700 Off Set, .3125 Shank Dia, Uncoated
RedLine Tools Made in the USA
IN STOCK
UOM : EA
$35.29



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Carbide Boring Bar .230 Minimum Bore 1.0 Maximum Depth

RBB101360

Boring Bar, .2300 Min Bore, 1.0000 Max Depth, .3125 Shank Dia, Uncoated
RedLine Tools Made in the USA
IN STOCK
UOM : EA
$34.80



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Carbide Boring Bar, .2900 Minimum Bore, .7500 Maximum Depth

RBB101405A

Boring Bar, .2900 Min Bore, .7500 Max Depth, .3125 Shank Dia, AlTiN Coated
RedLine Tools Made in the USA
IN STOCK
1 Available from Factory
UOM : EA
$38.88



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Carbide Grooving Tool 5/16 Minimum Bore

RGB201400

Grooving Bar, .0620/.0640 Groove Width, .1000 Groove Depth, .3125 Min Bore, .5000 Max Depth, .1000 Off Set, .3125 Shank Dia, Uncoated
RedLine Tools Made in the USA
IN STOCK
UOM : EA
$38.91



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Carbide Threading Tool .230 Minimum Bore

RTB301445

Threading Bar, .2300 Min Bore, .6000 Max Depth, .0550 Off Set, .3125 Shank Dia, Uncoated
RedLine Tools Made in the USA
IN STOCK
UOM : EA
$36.15



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Carbide Boring Bar .230 Minimum Bore 1.200 Maximum Depth

RBB101370

Boring Bar, .2300 Min Bore, 1.2000 Max Depth, .3125 Shank Dia, Uncoated
RedLine Tools Made in the USA
IN STOCK
UOM : EA
$33.86



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.230" Minimum Bore Carbide Threading Tool

RTB301450A

Threading Bar, .2300 Min Bore, .7500 Max Depth, .0550 Off Set, .3125 Shank Dia, AlTiN Coated
RedLine Tools Made in the USA
IN STOCK
15 Available from Factory
UOM : EA
$45.53



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