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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 16 (156 results)
Carbide Threading Tool .490" Minimum Bore

RTB301545A

Threading Bar, .4900 Min Bore, 1.5000 Max Depth, .1200 Off Set, .5000 Shank Dia, AlTiN Coated
RedLine Tools Made in the USA
IN STOCK
13 Available from Factory
UOM : EA
$78.47



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Threading Tool Carbide .12 Minimum Bore

RTB301370A

Threading Bar, .1200 Min Bore, .3000 Max Depth, .0300 Off Set, .1875 Shank Dia, AlTiN Coated
RedLine Tools Made in the USA
IN STOCK
12 Available from Factory
UOM : EA
$31.43



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Threading Tool Carbide .12 Minimum Bore

RTB301375A

Threading Bar, .1200 Min Bore, .4000 Max Depth, .0300 Off Set, .1875 Shank Dia, AlTiN Coated
RedLine Tools Made in the USA
IN STOCK
15 Available from Factory
UOM : EA
$31.43



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.320" Minimum Bore Carbide Threading Tool

RTB301500A

Threading Bar, .3200 Min Bore, 1.0000 Max Depth, .0750 Off Set, .3750 Shank Dia, AlTiN Coated
RedLine Tools Made in the USA
IN STOCK
15 Available from Factory
UOM : EA
$56.87



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Carbide Threading Tool .360" Minimum Bore

RTB301530A

Threading Bar, .3600 Min Bore, 1.2500 Max Depth, .0850 Off Set, .3750 Shank Dia, AlTiN Coated
RedLine Tools Made in the USA
IN STOCK
15 Available from Factory
UOM : EA
$56.87



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Solid Carbide Thread Tool, .3100 Minimum Bore

RTB081500A

Threading Bar, .3100 Min Bore, .0600 Off Set, .2500 Shank Dia, AlTiN Coated
RedLine Tools Made in the USA
IN STOCK
15 Available from Factory
UOM : EA
$66.45



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.180" Minimum Bore Carbide Threading Tool

RTB301410A

Threading Bar, .1800 Min Bore, .7500 Max Depth, .0400 Off Set, .2500 Shank Dia, AlTiN Coated
RedLine Tools Made in the USA
IN STOCK
15 Available from Factory
UOM : EA
$35.28



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Carbide Quick Change Threading Bar .160 Minimum Bore

RQT423110A

Quick Change Threading Bar, .1600 Min Bore, .4000 Max Depth, .0450 Off Set, .1875 Shank Dia, AlTiN Coated
RedLine Tools Made in the USA
IN STOCK
8 Available from Factory
UOM : EA
$25.46



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Carbide Threading Tool .200" Minimum Bore

RTB301425A

Threading Bar, .2000 Min Bore, .6000 Max Depth, .0450 Off Set, .2500 Shank Dia, AlTiN Coated
RedLine Tools Made in the USA
IN STOCK
15 Available from Factory
UOM : EA
$35.28



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Solid Carbide Thread Tool, .6100 Minimum Bore

RTB081515A

Threading Bar, .6100 Min Bore, .1000 Off Set, .5000 Shank Dia, AlTiN Coated
RedLine Tools Made in the USA


This is a clearance item and price is limited to stock on hand at our warehouse. Does not include factory stock. All clearance items are non-returnable.

IN STOCK
2 Available from Factory
UOM : EA
$43.34



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