The D19 × L80 × D20 × L135 hard alloy internally cooled straight groove drill bit launched by AMG company is a high-performance drilling tool designed to meet customers' needs for high-precision and high directional deep hole machining. This drill bit solves several key issues in the procurement process, such as aperture accuracy, machining stability, tool life, and compatibility with various materials. Through optimized structural design and high-quality materials, this drill bit ensures continuous, stable, and high-quality deep hole drilling in harsh industrial applications.
The drill bit is made of ultra-fine solid hard alloy (HM), which has excellent wear resistance and thermal stability. The straight groove design enhances directional control, while the double internal cooling channels can directly deliver high-pressure coolant to the cutting edge. This effectively reduces cutting temperature, improves chip removal efficiency, and ensures excellent aperture quality, making it particularly suitable for applications that require high precision and reliability.
Applications
Ideal for deep hole machining in industries such as energy equipment, mechanical engineering, mold manufacturing, hydraulic systems, and aerospace. Suitable for drilling stainless steel, alloy steel, titanium alloys, and heat-resistant alloys—especially in complex or deep cavity components .
Specification Table
| Item | Value |
| Cutting Diameter (D) | 19 mm |
| Flute Length (L1) | 80 mm |
| Shank Diameter (d) | 20 mm |
| Total Length (L) | 135 mm |
| Flute Type | Straight flute |
| Coolant System | Dual internal coolant channels |
| Material | Ultra-fine grain solid carbide (HM) |
Working Principle
The high-precision straight-flute design ensures strong guidance during drilling, reduce deflection and hole deviation. Both internal coolant system delivers coolant directly to the cutting edge, rapidly dissipating heat, reducing thermal deformation, and preventing built-up edge formation. The coolant channels also enhance chip evacuation, preventing clogging and maintaining a clean, smooth hole surface.
Key Advantages
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Excellent Guidance: Straight-flute design improves stability and hole accuracy.
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Use for High-Strength Materials: Performs keep well on titanium alloys, stainless steel, and superalloys.
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Superior Toughness: Solid carbide body and ultra-fine grain structure ensure durability and resistance to breakage.
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Customizable by AMG: Non-standard dimensions and flute designs available per customer requirements.
FAQ
Q: Is this model suitable for continuous deep hole drilling?
A: Yes, it is specifically designed for continuous drilling in automated and batch processing applications.
Q: What types of components is this drill suitable for?
A: Suitable for structural deep holes, welded assemblies, and energy equipment shell.
Q: What machine types are compatible with this drill?
A: Compatible with CNC machining centers, automatic drilling machines, and deep hole drilling machines.
