| Customization: | Available |
|---|---|
| Customized: | Customized |
| Standard: | GB/T |
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Carbide Internal Coolant Drill - Precision, Durability & Custom Solutions
Unmatched Wear & Impact Resistance
Crafted from premium carbide sourced from top global brands, our internal coolant drills deliver superior wear resistance and impact strength. Perfect for tough machining environments, they ensure longer tool life and reliable performance.
Efficient Cooling & Smooth Chip Removal
Equipped with an advanced internal coolant system, our drills minimize heat buildup, ensuring stable cutting and extended tool life. The optimized chip flute design allows for seamless chip removal, preventing clogging and boosting machining efficiency.
Ready Stock & Tailored Solutions
We keep a wide range of standard drills in stock for fast delivery, meeting urgent production needs. For unique requirements, we offer custom solutions to fit your specific applications, ensuring high performance and precision.
Your Trusted Carbide Step Drill Partner
As a professional manufacturer, we specialize in high-quality carbide step drills, including internal coolant models for demanding tasks. Whether standard or custom, we provide solutions that match your exact needs.
Customizable Carbide Step Drill Specifications
| Step Diameter (D) | Total Length (L) | Shank Diameter (d) | Number of Steps | Coating | Material | Customization Available |
|---|---|---|---|---|---|---|
| D1 - D12mm | As required | As required | As required | TiN/TiAlN/Other | Carbide | Yes (per customer request) |
Remarks:
Standard size specifications
| flute diameter | max.cutting depth | shank diameter | overall length |
| 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 |
MAX 50D
| 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 |
Note:
1.Non-standard products are available according to customer's drawing or customer's sample .
2.We also design and manufacture products,according to the request of customer's.
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. For more details, please contact our sales team.
| Guhring(K44UF,DK460UF) | from | Germany |
| Kennametal | from | America |
| CERATIZIT(CTU08L,TSF22,TSF44) | from | LUXEMBOURG |
| GESAC(GU20,GU20F,GU25UF) | from | xiame China |
| CB(WF25,K200,K100,TF25,WF03,WF30) | from | Taiwan |
| Zigong(ZK30,ZK40) | from | Zigong China |
| Zhu zhou | from | Zhuzhou China |
| Item | ALTiN | AlCr-based | TiSiN | AlCr-Blue |
| Hardness | 3100-3400 | 3100-3500 | 3300-3700 | 3300-3700 |
| Thickness | 1-2.5μ | 1-3μ | 2-3μ | 2-3μ |
| Oxidation Temp | 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 |
CHANGZHOU DELEVEL TOOLS CO.,LTD is the leading manufacturer for carbide cutting tools supplier in China,we can produce carbide deep hole inner-cooling drills,end mills,reamers,thread milling cutters and other non-standard milling tools which are widely used in aerospace,automotive,motorcycle,medical treatment and mould processing.
As a Professional & Industrial Carbide cutting tools Supplier in China, we always make commitment to all clients:
1. More than 15 Years experience in solid carbide cutting tool industry;
2. 100% on-time delivery;
3. Consistency on quality and long-lasting innovation;
4. Customized production and Competitive price.
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