Carbide Drill For Through Hole
For precision through-hole drilling in demanding materials like hardened steel, stainless steel, cast iron, and non-ferrous alloys, our Carbide Drill For Through Hole delivers exceptional performance and reliability. Designed to withstand high cutting speeds and feed rates, it ensures a clean exit point and superior hole finish, minimizing burr formation and reducing the need for secondary finishing operations. Its robust carbide construction provides excellent wear resistance, translating to longer tool life and lower cost per hole. When project specifications demand specialized geometry, explore our full range of high-performance carbide solutions, including the Carbide Drill With Twist Flute for efficient chip evacuation in general applications, the Carbide Drill With Straight Flute ideal for brittle materials and composites, the Carbide Drill For Deep Hole engineered for stable drilling at high depth-to-diameter ratios, and the Carbide Drill For Blind Hole optimized for accurate depth control and bottom finishing.
The Carbide Drill For Through Hole is engineered with a specific point geometry that enhances centering capability and reduces thrust forces during breakthrough. This results in improved positional accuracy and significantly lowers the risk of drill walk or breakage upon exiting the workpiece. The advanced coating technology applied to the drill, such as AlTiN or TiSiN, provides a hard, thermally stable layer that reduces friction and protects against abrasive wear and built-up edge, even under dry or minimum quantity lubrication (MQL) machining conditions. This makes the tool exceptionally versatile for various production environments, from high-volume CNC machining centers to more sensitive manual operations.
Key specifications and performance data for the Carbide Drill For Through Hole are detailed below to assist in selection and application planning.
- Material: Premium micro-grain carbide substrate
- Coating: Advanced AlTiN/TiSiN multilayer coating (optional)
- Point Angle: 140° standard (optimized for through-hole)
- Helix Angle: 30° (for balanced chip flow and strength)
- Shank Tolerance: h6 for high precision clamping
- Coolant Supply: Internal coolant channels (standard on diameters ≥ 3mm)
| Diameter Range (mm) | Usable Length (mm) | Overall Length (mm) | Recommended Cutting Speed Vc (m/min) for Steel | Recommended Feed (mm/rev) |
|---|---|---|---|---|
| 3.0 - 6.0 | 30 - 75 | 75 - 120 | 80 - 120 | 0.05 - 0.15 |
| 6.1 - 10.0 | 75 - 120 | 120 - 160 | 70 - 110 | 0.08 - 0.20 |
| 10.1 - 16.0 | 120 - 150 | 160 - 200 | 60 - 100 | 0.12 - 0.25 |
| 16.1 - 20.0 | 150 - 200 | 200 - 250 | 50 - 90 | 0.15 - 0.30 |
Proper application is critical for maximizing tool life. Always ensure the workpiece is rigidly clamped and the spindle is properly aligned. For optimal results with the Carbide Drill For Through Hole, use a pecking cycle when drilling depths exceeding 3x the diameter, especially in gummy materials, to facilitate chip breakage and evacuation. Maintain a consistent feed rate through the entire hole to prevent work hardening of the material. Selecting the correct diameter and length for your specific through-hole application will guarantee the highest levels of efficiency and part quality.
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