Boring Bars
Discover the pinnacle of precision and efficiency with TMT Toolbox’s boring bars. These professionally crafted tools are a testament to our unwavering commitment to quality, durability, and performance.
Our indexable boring bars, built with durable materials and a keen eye for craftsmanship, will withstand the rigors of heavy-duty industrial use while maintaining their precision. The result? An unparalleled lifespan of service that keeps your operation running smoothly and efficiently.
The versatility of our boring bars is another feature that sets them apart. With multiple configurations available, these tools cater to various applications, providing the perfect solution to your unique cutting needs. Whether tackling an intricate internal threading operation or creating large-diameter holes, TMT Toolbox’s carbide boring bars are more than up to the task.
Beyond performance and versatility, we also prioritize user safety. Each tool is ergonomically designed to ensure comfort, reduce fatigue, and lower the risk of repetitive strain injuries.
But the TMT Toolbox experience doesn’t stop at the product. We value our customers and strive to deliver not only top-tier tools but also exceptional customer service. From in-depth product advice to swift and secure delivery, our team’s help will make your TMT Toolbox journey as smooth and satisfying as possible.
TMT Toolbox’s boring bars are more than just tools—they’re an investment in quality, efficiency, and precision. Experience the TMT Toolbox difference today.
Boring Bar Type
Insert Style ANSI
Insert Style ISO
Shank Diameter Inch
Shank Diameter MM
Overall Length Inch
Overall Length MM
Coolant Thru
Material
Brand
| Image | Product | Boring Bar Type | ANSI / ISO Bar Size | Insert Style ANSI | Insert Style ISO | Shank Diameter Inch | Shank Diameter MM | Min Bore Diameter Inch | Min Bore Diameter MM | Overall Length Inch | Overall Length MM | Coolant Thru | Material | Brand | Price | Quantity | Add to Cart | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
![]() | S16-mwlnr-3 boring bar – 75051590 | MWLNR | - | WN.. 33.. | WN.. 0604.. | 1.000 | 25.40 | - | - | 12.000 | 304.80 | No | Steel | SECO Tools | $381.22 | Add to Cart |
S16-mwlnr-3 boring bar – 75051590Boring Bar Type: MWLNR ANSI / ISO Bar Size: - Insert Style ANSI: WN.. 33.. Insert Style ISO: WN.. 0604.. Shank Diameter Inch: 1.000 Shank Diameter MM: 25.40 Min Bore Diameter Inch: - Min Bore Diameter MM: - Overall Length Inch: 12.000 Overall Length MM: 304.80 Coolant Thru: No Material: Steel Brand: SECO Tools $381.22 |
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![]() | S16-mwlnr-4 boring bar – 43225 | MWLNR | - | WN.. 43.. | WN.. 0804.. | 1.000 | 25.40 | - | - | 12.000 | 304.80 | No | Steel | SECO Tools | $381.22 | Add to Cart |
S16-mwlnr-4 boring bar – 43225Boring Bar Type: MWLNR ANSI / ISO Bar Size: - Insert Style ANSI: WN.. 43.. Insert Style ISO: WN.. 0804.. Shank Diameter Inch: 1.000 Shank Diameter MM: 25.40 Min Bore Diameter Inch: - Min Bore Diameter MM: - Overall Length Inch: 12.000 Overall Length MM: 304.80 Coolant Thru: No Material: Steel Brand: SECO Tools $381.22 |
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![]() | S16q-ctfpr11 boring bar – 75007394 | CTFPR | - | TP.. 22.. | TP.. 1103.. | 0.630 | 16.00 | - | - | 7.087 | 180.00 | No | Steel | SECO Tools | $178.36 | Add to Cart |
S16q-ctfpr11 boring bar – 75007394Boring Bar Type: CTFPR ANSI / ISO Bar Size: - Insert Style ANSI: TP.. 22.. Insert Style ISO: TP.. 1103.. Shank Diameter Inch: 0.630 Shank Diameter MM: 16.00 Min Bore Diameter Inch: - Min Bore Diameter MM: - Overall Length Inch: 7.087 Overall Length MM: 180.00 Coolant Thru: No Material: Steel Brand: SECO Tools $178.36 |
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![]() | S20-mclnr-4 boring bar – 43204 | MCLNR | - | CN.. 43.. | CN.. 1204.. | 1.250 | 31.75 | - | - | 14.000 | 355.60 | No | Steel | SECO Tools | $396.90 | Add to Cart |
S20-mclnr-4 boring bar – 43204Boring Bar Type: MCLNR ANSI / ISO Bar Size: - Insert Style ANSI: CN.. 43.. Insert Style ISO: CN.. 1204.. Shank Diameter Inch: 1.250 Shank Diameter MM: 31.75 Min Bore Diameter Inch: - Min Bore Diameter MM: - Overall Length Inch: 14.000 Overall Length MM: 355.60 Coolant Thru: No Material: Steel Brand: SECO Tools $396.90 |
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![]() | S20-mtunr-3 boring bar – 43220 | MTUNR | - | TN.. 32.. | TN.. 1603.. | 1.250 | 31.75 | - | - | 14.016 | 356.00 | No | Steel | SECO Tools | $396.90 | Add to Cart |
S20-mtunr-3 boring bar – 43220Boring Bar Type: MTUNR ANSI / ISO Bar Size: - Insert Style ANSI: TN.. 32.. Insert Style ISO: TN.. 1603.. Shank Diameter Inch: 1.250 Shank Diameter MM: 31.75 Min Bore Diameter Inch: - Min Bore Diameter MM: - Overall Length Inch: 14.016 Overall Length MM: 356.00 Coolant Thru: No Material: Steel Brand: SECO Tools $396.90 |
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![]() | S20-mwlnl-3 boring bar – 75051595 | MWLNL | - | WN.. 33.. | WN.. 0604.. | 1.250 | 31.75 | - | - | 14.000 | 355.60 | No | Steel | SECO Tools | $396.90 | Add to Cart |
S20-mwlnl-3 boring bar – 75051595Boring Bar Type: MWLNL ANSI / ISO Bar Size: - Insert Style ANSI: WN.. 33.. Insert Style ISO: WN.. 0604.. Shank Diameter Inch: 1.250 Shank Diameter MM: 31.75 Min Bore Diameter Inch: - Min Bore Diameter MM: - Overall Length Inch: 14.000 Overall Length MM: 355.60 Coolant Thru: No Material: Steel Brand: SECO Tools $396.90 |
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![]() | S20-mwlnl-4 boring bar – 43223 | MWLNL | - | WN.. 43.. | WN.. 0804.. | 1.250 | 31.75 | - | - | 14.000 | 355.60 | No | Steel | SECO Tools | $396.90 | Add to Cart |
S20-mwlnl-4 boring bar – 43223Boring Bar Type: MWLNL ANSI / ISO Bar Size: - Insert Style ANSI: WN.. 43.. Insert Style ISO: WN.. 0804.. Shank Diameter Inch: 1.250 Shank Diameter MM: 31.75 Min Bore Diameter Inch: - Min Bore Diameter MM: - Overall Length Inch: 14.000 Overall Length MM: 355.60 Coolant Thru: No Material: Steel Brand: SECO Tools $396.90 |
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![]() | S20-mwlnr-3 boring bar – 75051591 | MWLNR | - | WN.. 33.. | WN.. 0604.. | 1.250 | 31.75 | - | - | 14.000 | 355.60 | No | Steel | SECO Tools | $396.90 | Add to Cart |
S20-mwlnr-3 boring bar – 75051591Boring Bar Type: MWLNR ANSI / ISO Bar Size: - Insert Style ANSI: WN.. 33.. Insert Style ISO: WN.. 0604.. Shank Diameter Inch: 1.250 Shank Diameter MM: 31.75 Min Bore Diameter Inch: - Min Bore Diameter MM: - Overall Length Inch: 14.000 Overall Length MM: 355.60 Coolant Thru: No Material: Steel Brand: SECO Tools $396.90 |
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![]() | S20-mwlnr-4 boring bar – 43226 | MWLNR | - | WN.. 43.. | WN.. 0804.. | 1.250 | 31.75 | - | - | 14.000 | 355.60 | No | Steel | SECO Tools | $396.90 | Add to Cart |
S20-mwlnr-4 boring bar – 43226Boring Bar Type: MWLNR ANSI / ISO Bar Size: - Insert Style ANSI: WN.. 43.. Insert Style ISO: WN.. 0804.. Shank Diameter Inch: 1.250 Shank Diameter MM: 31.75 Min Bore Diameter Inch: - Min Bore Diameter MM: - Overall Length Inch: 14.000 Overall Length MM: 355.60 Coolant Thru: No Material: Steel Brand: SECO Tools $396.90 |
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![]() | S20r-ctfpr16 boring bar – 75006033 | CTFPR | - | TP.. 32.. | TP.. 1603.. | 0.787 | 20.00 | - | - | 7.874 | 200.00 | No | Steel | SECO Tools | $219.52 | Add to Cart |
S20r-ctfpr16 boring bar – 75006033Boring Bar Type: CTFPR ANSI / ISO Bar Size: - Insert Style ANSI: TP.. 32.. Insert Style ISO: TP.. 1603.. Shank Diameter Inch: 0.787 Shank Diameter MM: 20.00 Min Bore Diameter Inch: - Min Bore Diameter MM: - Overall Length Inch: 7.874 Overall Length MM: 200.00 Coolant Thru: No Material: Steel Brand: SECO Tools $219.52 |










