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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
![]() | S12-mwlnr-3 boring bar – 75051589 | MWLNR | - | WN.. 33.. | WN.. 0604.. | 0.750 | 19.05 | - | - | 10.000 | 254.00 | No | Steel | SECO Tools | $348.88 | Add to Cart |
S12-mwlnr-3 boring bar – 75051589Boring Bar Type: MWLNR ANSI / ISO Bar Size: - Insert Style ANSI: WN.. 33.. Insert Style ISO: WN.. 0604.. Shank Diameter Inch: 0.750 Shank Diameter MM: 19.05 Min Bore Diameter Inch: - Min Bore Diameter MM: - Overall Length Inch: 10.000 Overall Length MM: 254.00 Coolant Thru: No Material: Steel Brand: SECO Tools $348.88 |
|
![]() | S12d-scacl09 boring bar – 75011129 | SCACL | - | CC.. 32.5.. | CC.. 09T3.. | 0.472 | 12.00 | - | - | 2.362 | 60.00 | No | Steel | SECO Tools | $173.46 | Add to Cart |
S12d-scacl09 boring bar – 75011129Boring Bar Type: SCACL ANSI / ISO Bar Size: - Insert Style ANSI: CC.. 32.5.. Insert Style ISO: CC.. 09T3.. Shank Diameter Inch: 0.472 Shank Diameter MM: 12.00 Min Bore Diameter Inch: - Min Bore Diameter MM: - Overall Length Inch: 2.362 Overall Length MM: 60.00 Coolant Thru: No Material: Steel Brand: SECO Tools $173.46 |
|
![]() | S12d-scdcl09 boring bar – 75011163 | SCDCL | - | CC.. 32.5.. | CC.. 09T3.. | 0.472 | 12.00 | - | - | 2.362 | 60.00 | No | Steel | SECO Tools | $173.46 | Add to Cart |
S12d-scdcl09 boring bar – 75011163Boring Bar Type: SCDCL ANSI / ISO Bar Size: - Insert Style ANSI: CC.. 32.5.. Insert Style ISO: CC.. 09T3.. Shank Diameter Inch: 0.472 Shank Diameter MM: 12.00 Min Bore Diameter Inch: - Min Bore Diameter MM: - Overall Length Inch: 2.362 Overall Length MM: 60.00 Coolant Thru: No Material: Steel Brand: SECO Tools $173.46 |
|
![]() | S12d-scecl09 boring bar – 75011135 | SCECL | - | CC.. 32.5.. | CC.. 09T3.. | 0.472 | 12.00 | - | - | 2.362 | 60.00 | No | Steel | SECO Tools | $173.46 | Add to Cart |
S12d-scecl09 boring bar – 75011135Boring Bar Type: SCECL ANSI / ISO Bar Size: - Insert Style ANSI: CC.. 32.5.. Insert Style ISO: CC.. 09T3.. Shank Diameter Inch: 0.472 Shank Diameter MM: 12.00 Min Bore Diameter Inch: - Min Bore Diameter MM: - Overall Length Inch: 2.362 Overall Length MM: 60.00 Coolant Thru: No Material: Steel Brand: SECO Tools $173.46 |
|
![]() | S16-mclnl-4 boring bar – 43198 | MCLNL | - | CN.. 43.. | CN.. 1204.. | 1.000 | 25.40 | - | - | 12.000 | 304.80 | No | Steel | SECO Tools | $381.22 | Add to Cart |
S16-mclnl-4 boring bar – 43198Boring Bar Type: MCLNL ANSI / ISO Bar Size: - Insert Style ANSI: CN.. 43.. Insert Style ISO: CN.. 1204.. 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 |
|
![]() | S16-mclnr-4 boring bar – 43203 | MCLNR | - | CN.. 43.. | CN.. 1204.. | 1.000 | 25.40 | - | - | 12.000 | 304.80 | No | Steel | SECO Tools | $381.22 | Add to Cart |
S16-mclnr-4 boring bar – 43203Boring Bar Type: MCLNR ANSI / ISO Bar Size: - Insert Style ANSI: CN.. 43.. Insert Style ISO: CN.. 1204.. 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 |
|
![]() | S16-mdunr-3 boring bar – 75056416 | MDUNR | - | DNMU 33.. | DNMU 1104.. | 1.000 | 25.40 | - | - | 12.000 | 304.80 | No | Steel | SECO Tools | $381.22 | Add to Cart |
S16-mdunr-3 boring bar – 75056416Boring Bar Type: MDUNR ANSI / ISO Bar Size: - Insert Style ANSI: DNMU 33.. Insert Style ISO: DNMU 1104.. 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 |
|
![]() | S16-mtfnr-3 boring bar – 43214 | MTFNR | - | TN.. 33.. | TN.. 1604.. | 1.000 | 25.40 | - | - | 12.000 | 304.80 | No | Steel | SECO Tools | $381.22 | Add to Cart |
S16-mtfnr-3 boring bar – 43214Boring Bar Type: MTFNR ANSI / ISO Bar Size: - Insert Style ANSI: TN.. 33.. Insert Style ISO: TN.. 1604.. 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 |
|
![]() | S16-mwlnl-3 boring bar – 75051593 | MWLNL | - | WN.. 33.. | WN.. 0604.. | 1.000 | 25.40 | - | - | 12.000 | 304.80 | No | Steel | SECO Tools | $381.22 | Add to Cart |
S16-mwlnl-3 boring bar – 75051593Boring Bar Type: MWLNL 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 |
|
![]() | S16-mwlnl-4 boring bar – 43222 | MWLNL | - | WN.. 43.. | WN.. 0804.. | 1.000 | 25.40 | - | - | 12.000 | 304.80 | No | Steel | SECO Tools | $381.22 | Add to Cart |
S16-mwlnl-4 boring bar – 43222Boring Bar Type: MWLNL 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 |










