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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
![]() | S0306-scldr-1.2 boring bar – 57649 | SCLDR | - | CD.. 1.21.2.. | CD.. 04T0.. | 0.375 | 9.53 | - | - | 2.500 | 63.50 | No | Steel | SECO Tools | $173.46 | Add to Cart |
S0306-scldr-1.2 boring bar – 57649Boring Bar Type: SCLDR ANSI / ISO Bar Size: - Insert Style ANSI: CD.. 1.21.2.. Insert Style ISO: CD.. 04T0.. Shank Diameter Inch: 0.375 Shank Diameter MM: 9.53 Min Bore Diameter Inch: - Min Bore Diameter MM: - Overall Length Inch: 2.500 Overall Length MM: 63.50 Coolant Thru: No Material: Steel Brand: SECO Tools $173.46 |
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![]() | S04-scldl-1.2 boring bar – 57647 | SCLDL | - | CD.. 1.21.2.. | CD.. 04T0.. | 0.250 | 6.35 | - | - | 3.000 | 76.20 | No | Steel | SECO Tools | $173.46 | Add to Cart |
S04-scldl-1.2 boring bar – 57647Boring Bar Type: SCLDL ANSI / ISO Bar Size: - Insert Style ANSI: CD.. 1.21.2.. Insert Style ISO: CD.. 04T0.. Shank Diameter Inch: 0.250 Shank Diameter MM: 6.35 Min Bore Diameter Inch: - Min Bore Diameter MM: - Overall Length Inch: 3.000 Overall Length MM: 76.20 Coolant Thru: No Material: Steel Brand: SECO Tools $173.46 |
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![]() | S04-scldr-1.2 boring bar – 57646 | SCLDR | - | CD.. 1.21.2.. | CD.. 04T0.. | 0.250 | 6.35 | - | - | 3.000 | 76.20 | No | Steel | SECO Tools | $173.46 | Add to Cart |
S04-scldr-1.2 boring bar – 57646Boring Bar Type: SCLDR ANSI / ISO Bar Size: - Insert Style ANSI: CD.. 1.21.2.. Insert Style ISO: CD.. 04T0.. Shank Diameter Inch: 0.250 Shank Diameter MM: 6.35 Min Bore Diameter Inch: - Min Bore Diameter MM: - Overall Length Inch: 3.000 Overall Length MM: 76.20 Coolant Thru: No Material: Steel Brand: SECO Tools $173.46 |
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![]() | S04-stldr-1.2 boring bar – 57658 | STLDR | - | TD.. 1.21.5.. | TD.. 06T0.. | 0.250 | 6.35 | - | - | 4.000 | 101.60 | No | Steel | SECO Tools | $173.46 | Add to Cart |
S04-stldr-1.2 boring bar – 57658Boring Bar Type: STLDR ANSI / ISO Bar Size: - Insert Style ANSI: TD.. 1.21.5.. Insert Style ISO: TD.. 06T0.. Shank Diameter Inch: 0.250 Shank Diameter MM: 6.35 Min Bore Diameter Inch: - Min Bore Diameter MM: - Overall Length Inch: 4.000 Overall Length MM: 101.60 Coolant Thru: No Material: Steel Brand: SECO Tools $173.46 |
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![]() | S0406-scldr-1.2 boring bar – 57650 | SCLDR | - | CD.. 1.21.2.. | CD.. 04T0.. | 0.375 | 9.53 | - | - | 2.500 | 63.50 | No | Steel | SECO Tools | $173.46 | Add to Cart |
S0406-scldr-1.2 boring bar – 57650Boring Bar Type: SCLDR ANSI / ISO Bar Size: - Insert Style ANSI: CD.. 1.21.2.. Insert Style ISO: CD.. 04T0.. Shank Diameter Inch: 0.375 Shank Diameter MM: 9.53 Min Bore Diameter Inch: - Min Bore Diameter MM: - Overall Length Inch: 2.500 Overall Length MM: 63.50 Coolant Thru: No Material: Steel Brand: SECO Tools $173.46 |
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![]() | S0408-stldr-1.2 boring bar – 57664 | STLDR | - | TD.. 1.21.5.. | TD.. 06T0.. | 0.500 | 12.70 | - | - | 3.250 | 82.55 | No | Steel | SECO Tools | $173.46 | Add to Cart |
S0408-stldr-1.2 boring bar – 57664Boring Bar Type: STLDR ANSI / ISO Bar Size: - Insert Style ANSI: TD.. 1.21.5.. Insert Style ISO: TD.. 06T0.. Shank Diameter Inch: 0.500 Shank Diameter MM: 12.70 Min Bore Diameter Inch: - Min Bore Diameter MM: - Overall Length Inch: 3.250 Overall Length MM: 82.55 Coolant Thru: No Material: Steel Brand: SECO Tools $173.46 |
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![]() | S05-stfdr-1.2 boring bar – 57667 | STFDR | - | TD.. 1.21.5.. | TD.. 06T0.. | 0.313 | 7.94 | - | - | 4.000 | 101.60 | No | Steel | SECO Tools | $173.46 | Add to Cart |
S05-stfdr-1.2 boring bar – 57667Boring Bar Type: STFDR ANSI / ISO Bar Size: - Insert Style ANSI: TD.. 1.21.5.. Insert Style ISO: TD.. 06T0.. Shank Diameter Inch: 0.313 Shank Diameter MM: 7.94 Min Bore Diameter Inch: - Min Bore Diameter MM: - Overall Length Inch: 4.000 Overall Length MM: 101.60 Coolant Thru: No Material: Steel Brand: SECO Tools $173.46 |
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![]() | S05-stldr-1.2 boring bar – 57659 | STLDR | - | TD.. 1.21.5.. | TD.. 06T0.. | 0.312 | 7.93 | - | - | 4.000 | 101.60 | No | Steel | SECO Tools | $173.46 | Add to Cart |
S05-stldr-1.2 boring bar – 57659Boring Bar Type: STLDR ANSI / ISO Bar Size: - Insert Style ANSI: TD.. 1.21.5.. Insert Style ISO: TD.. 06T0.. Shank Diameter Inch: 0.312 Shank Diameter MM: 7.93 Min Bore Diameter Inch: - Min Bore Diameter MM: - Overall Length Inch: 4.000 Overall Length MM: 101.60 Coolant Thru: No Material: Steel Brand: SECO Tools $173.46 |
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![]() | S08-sdqcr-2 boring bar – 73944 | SDQCR | - | DC.. 21.5.. | DC.. 0702.. | 0.500 | 12.70 | - | - | 8.000 | 203.20 | No | Steel | SECO Tools | $173.46 | Add to Cart |
S08-sdqcr-2 boring bar – 73944Boring Bar Type: SDQCR ANSI / ISO Bar Size: - Insert Style ANSI: DC.. 21.5.. Insert Style ISO: DC.. 0702.. Shank Diameter Inch: 0.500 Shank Diameter MM: 12.70 Min Bore Diameter Inch: - Min Bore Diameter MM: - Overall Length Inch: 8.000 Overall Length MM: 203.20 Coolant Thru: No Material: Steel Brand: SECO Tools $173.46 |
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![]() | S08a-scacl06 boring bar – 75011125 | SCACL | - | CC..21.5. | CC..0602.. | 0.315 | 8.00 | - | - | 1.260 | 32.00 | No | Steel | SECO Tools | $173.46 | Add to Cart |
S08a-scacl06 boring bar – 75011125Boring Bar Type: SCACL ANSI / ISO Bar Size: - Insert Style ANSI: CC..21.5. Insert Style ISO: CC..0602.. Shank Diameter Inch: 0.315 Shank Diameter MM: 8.00 Min Bore Diameter Inch: - Min Bore Diameter MM: - Overall Length Inch: 1.260 Overall Length MM: 32.00 Coolant Thru: No Material: Steel Brand: SECO Tools $173.46 |










