Carbide Drill
Carbide drill bits are an essential tool in metalworking applications due to their durability and strength. Because they’re so heavy-duty, carbide bits are an ideal choice for cutting through tough metals. With greater wear resistance and heat resistance, as well as a longer tool life, they’re perfect for handling high-speed and high-temperature drilling requirements.
When you need a heavy-duty tool for heavy-duty operations, TMT Toolbox’s collection of carbide-tipped or solid carbide drill bits is the way to go. Whether you need to drill through tough alloys, hardened steels, or even stainless steel, carbide drill bits are an excellent choice for any industrial metalworking application. Find exactly what you need when you browse our extensive inventory of different sizes, flute lengths, and styles.
Diameter Inch
Diameter MM
Diameter Fractional
Flute Length Inch
Flute Length MM
Overall Length Inch
Overall Length MM
Length Style
Material
Coolant Thru
List Number
Brand
Sub-Brand
| Image | Product | Diameter Inch | Diameter MM | Diameter Fractional | Flute Length Inch | Flute Length MM | Overall Length Inch | Overall Length MM | Length Style | Material | Coolant Thru | List Number | Brand | Price | Quantity | Add to Cart | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
![]() | 1/4″ a brand ado-30d – 655025012 | 0.250 | 6.35 | 1/4" | 8.465 | 215.00 | 11.024 | 280.00 | Taper (8D-30D) | Carbide | Yes | 6550 | OSG | $625.01 | Add to Cart |
1/4″ a brand ado-30d – 655025012Diameter Inch: 0.250 Diameter MM: 6.35 Diameter Fractional: 1/4" Flute Length Inch: 8.465 Flute Length MM: 215.00 Overall Length Inch: 11.024 Overall Length MM: 280.00 Length Style: Taper (8D-30D) Material: Carbide Coolant Thru: Yes List Number: 6550 Brand: OSG $625.01 |
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![]() | 1/4″ a brand ado-3d – 650025011 | 0.250 | 6.35 | 1/4" | 1.260 | 32.00 | 3.465 | 88.00 | Stub (2D-3D) | Carbide | Yes | 6500 | OSG | $106.10 | Add to Cart |
1/4″ a brand ado-3d – 650025011Diameter Inch: 0.250 Diameter MM: 6.35 Diameter Fractional: 1/4" Flute Length Inch: 1.260 Flute Length MM: 32.00 Overall Length Inch: 3.465 Overall Length MM: 88.00 Length Style: Stub (2D-3D) Material: Carbide Coolant Thru: Yes List Number: 6500 Brand: OSG $106.10 |
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![]() | 1/4″ a brand ado-5d – 651025011 | 0.250 | 6.35 | 1/4" | 2.047 | 52.00 | 4.291 | 109.00 | Jobber (4D-7D) | Carbide | Yes | 6510 | OSG | $124.87 | Add to Cart |
1/4″ a brand ado-5d – 651025011Diameter Inch: 0.250 Diameter MM: 6.35 Diameter Fractional: 1/4" Flute Length Inch: 2.047 Flute Length MM: 52.00 Overall Length Inch: 4.291 Overall Length MM: 109.00 Length Style: Jobber (4D-7D) Material: Carbide Coolant Thru: Yes List Number: 6510 Brand: OSG $124.87 |
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![]() | 1/4″ a brand ado-8d – 652025011 | 0.250 | 6.35 | 1/4" | 2.756 | 70.00 | 4.921 | 125.00 | Taper (8D-30D) | Carbide | Yes | 6520 | OSG | $190.98 | Add to Cart |
1/4″ a brand ado-8d – 652025011Diameter Inch: 0.250 Diameter MM: 6.35 Diameter Fractional: 1/4" Flute Length Inch: 2.756 Flute Length MM: 70.00 Overall Length Inch: 4.921 Overall Length MM: 125.00 Length Style: Taper (8D-30D) Material: Carbide Coolant Thru: Yes List Number: 6520 Brand: OSG $190.98 |
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![]() | 1/4″ a brand ado-sus-3d – 8665635 | 0.250 | 6.35 | 1/4" | 1.260 | 32.00 | 3.465 | 88.00 | Stub (2D-3D) | Carbide | Yes | 5200 | OSG | $106.10 | Add to Cart |
1/4″ a brand ado-sus-3d – 8665635Diameter Inch: 0.250 Diameter MM: 6.35 Diameter Fractional: 1/4" Flute Length Inch: 1.260 Flute Length MM: 32.00 Overall Length Inch: 3.465 Overall Length MM: 88.00 Length Style: Stub (2D-3D) Material: Carbide Coolant Thru: Yes List Number: 5200 Brand: OSG $106.10 |
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![]() | 1/4″ a brand ado-sus-5d – 8667635 | 0.250 | 6.35 | 1/4" | 2.047 | 52.00 | 4.291 | 109.00 | Jobber (4D-7D) | Carbide | Yes | 5210 | OSG | $124.87 | Add to Cart |
1/4″ a brand ado-sus-5d – 8667635Diameter Inch: 0.250 Diameter MM: 6.35 Diameter Fractional: 1/4" Flute Length Inch: 2.047 Flute Length MM: 52.00 Overall Length Inch: 4.291 Overall Length MM: 109.00 Length Style: Jobber (4D-7D) Material: Carbide Coolant Thru: Yes List Number: 5210 Brand: OSG $124.87 |
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![]() | 1/4″ a brand ado-sus-8d – 522025012 | 0.250 | 6.35 | 1/4" | 2.756 | 70.00 | 4.921 | 125.00 | Taper (8D-30D) | Carbide | Yes | 5220 | OSG | $190.98 | Add to Cart |
1/4″ a brand ado-sus-8d – 522025012Diameter Inch: 0.250 Diameter MM: 6.35 Diameter Fractional: 1/4" Flute Length Inch: 2.756 Flute Length MM: 70.00 Overall Length Inch: 4.921 Overall Length MM: 125.00 Length Style: Taper (8D-30D) Material: Carbide Coolant Thru: Yes List Number: 5220 Brand: OSG $190.98 |
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![]() | 1/4″ a brand ado-trs-3d – 660025017 | 0.250 | 6.35 | 1/4" | 1.260 | 32.00 | 3.465 | 88.00 | Stub (2D-3D) | Carbide | Yes | 6600 | OSG | $142.52 | Add to Cart |
1/4″ a brand ado-trs-3d – 660025017Diameter Inch: 0.250 Diameter MM: 6.35 Diameter Fractional: 1/4" Flute Length Inch: 1.260 Flute Length MM: 32.00 Overall Length Inch: 3.465 Overall Length MM: 88.00 Length Style: Stub (2D-3D) Material: Carbide Coolant Thru: Yes List Number: 6600 Brand: OSG $142.52 |
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![]() | 1/4″ a brand ado-trs-5d – 661025017 | 0.250 | 6.35 | 1/4" | 2.047 | 52.00 | 4.291 | 109.00 | Jobber (4D-7D) | Carbide | Yes | 6610 | OSG | $167.68 | Add to Cart |
1/4″ a brand ado-trs-5d – 661025017Diameter Inch: 0.250 Diameter MM: 6.35 Diameter Fractional: 1/4" Flute Length Inch: 2.047 Flute Length MM: 52.00 Overall Length Inch: 4.291 Overall Length MM: 109.00 Length Style: Jobber (4D-7D) Material: Carbide Coolant Thru: Yes List Number: 6610 Brand: OSG $167.68 |
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![]() | 1/4″ exopro trs-ho-10d – 563025011 | 0.250 | 6.35 | 1/4" | 3.425 | 87.00 | 5.512 | 140.00 | Taper (8D-30D) | Carbide | Yes | 5630 | OSG | $342.00 | Add to Cart |
1/4″ exopro trs-ho-10d – 563025011Diameter Inch: 0.250 Diameter MM: 6.35 Diameter Fractional: 1/4" Flute Length Inch: 3.425 Flute Length MM: 87.00 Overall Length Inch: 5.512 Overall Length MM: 140.00 Length Style: Taper (8D-30D) Material: Carbide Coolant Thru: Yes List Number: 5630 Brand: OSG $342.00 |











