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Carbide Internal Coolant Drill
Ready Stock & Customization Options
With a wide range of standard sizes in stock, we guarantee prompt delivery to meet your production needs. Additionally, we offer customized solutions to address specific industry requirements, ensuring a high-performance tool that perfectly aligns with your unique applications.
| Flute Diameter (mm) | Max. Cutting Depth (mm) | Shank Diameter (mm) | Overall Length (mm) |
|---|---|---|---|
| D3.00-D3.70 | 20 | 6 | 62 |
| D3.80-D4.70 | 24 | 6 | 66 |
| D4.80-D6.00 | 28 | 6 | 66 |
| D6.10-D7.00 | 34 | 8 | 79 |
| D7.10-D8.00 | 4 | 8 | 79 |
| D8.10-D10.0 | 47 | 10 | 89 |
| D10.1-D12.0 | 55 | 12 | 102 |
| D12.1-D14.0 | 60 | 14 | 107 |
| D14.1-D16.0 | 65 | 16 | 115 |
| D16.1-D18.0 | 3 | 18 | 123 |
| D18.1-D20.0 | 2 | 20 | 131 |
| D20.1-D22.0 | 96 | 25 | 146 |
| D22.1-D25.0 | 103 | 25 | 153 |
| Item | Flute Diameter | Max. Cutting Depth | Flute Length | Overall Length | Shank Length | Shank Diameter |
|---|---|---|---|---|---|---|
| RDS50030-1 | 3.0 | 166 | 171 | 215 | 36 | 6 |
| RDS50035-1 | 3.5 | 186 | 192 | 235 | 36 | 6 |
| RDS50040-1 | 4.0 | 208 | 214 | 255 | 36 | 6 |
| RDS50045-1 | 4.5 | 233 | 240 | 283 | 36 | 6 |
| RDS50048-1 | 4.8 | 259 | 267 | 310 | 36 | 6 |
| RDS50050-1 | 5.0 | 259 | 267 | 310 | 36 | 6 |
| RDS50055-1 | 5.5 | 308 | 317 | 358 | 36 | 6 |
| RDS50060-1 | 6.0 | 308 | 317 | 358 | 36 | 6 |
| RDS50061-1 | 6.1 | 337 | 347 | 389 | 36 | 8 |
| RDS50065-1 | 6.5 | 337 | 347 | 389 | 36 | 8 |
| RDS50068-1 | 6.8 | 357 | 368 | 409 | 36 | 8 |
| RDS50070-1 | 7.0 | 357 | 368 | 409 | 36 | 8 |
| RDS50074-1 | 7.4 | 388 | 400 | 441 | 36 | 8 |
| RDS50075-1 | 7.5 | 388 | 400 | 441 | 36 | 8 |
| RDS50080-1 | 8.0 | 410 | 422 | 462 | 36 | 8 |
| RDS50083-1 | 8.3 | 441 | 454 | 500 | 40 | 10 |
| RDS50085-1 | 8.5 | 441 | 454 | 500 | 40 | 10 |
| RDS50090-1 | 9.0 | 466 | 480 | 525 | 40 | 10 |
Notes on Customization:
1. Non-standard products are available according to customer's drawings or sample requests.
2. We design and manufacture specialized tools based on unique client applications.
3. We offer a wide range of Internal Coolant Drills in various specifications, with standard models readily available in stock. These include both general-purpose and stainless steel-specific options, with diameters ranging from D3 to D25mm. The drills come in lengths of 3D, 5D, 8D, and 12D, with a 0.1mm incremental variation between sizes.
| Material/Grade | Source Location |
|---|---|
| Guhring (K44UF, DK460UF) | Germany |
| Kennametal | United States |
| CERATIZIT (CTU08L, TSF22, TSF44) | Luxembourg |
| GESAC (GU20, GU20F, GU25UF) | China |
| CB (WF25, K200, K100, TF25, WF03, WF30) | Taiwan |
| Zigong (ZK30, ZK40) | China |
| Zhuzhou | China |
Note: Only premium alloy rods from well-known brands, both domestic and international, are used. We guarantee that all materials are 100% sourced from original manufacturers, never recycled. This ensures high performance, quality stability, and extreme wear resistance for every tool during precision machining.
| Item | ALTiN | AlCr-based | TiSiN | AlCr-Blue |
|---|---|---|---|---|
| Hardness (HV) | 3100-3400 | 3100-3500 | 3300-3700 | 3300-3700 |
| Thickness | 1-2.5μ | 1-3μ | 2-3μ | 2-3μ |
| Oxidation Temp (°C) | 900-1000 | 900-1100 | 900-1000 | 900-1000 |
| Friction Coefficient | 0.3 | 0.35 | 0.4 | 0.35 |
| Color | Black | Bright Grey | Copper | Colorful Blue |
We are a leading manufacturer and supplier of carbide cutting tools, producing high-quality carbide deep-hole inner-cooling drills, end mills, reamers, thread milling cutters, and various non-standard milling tools. Our products are widely used in aerospace, automotive, motorcycle, medical treatment, and mold processing industries.
As a professional & industrial carbide cutting tools supplier, we make the following commitments to all clients:
