SDF-P Series General High-Performance External Cooling Solid Carbide Drill with DH Coating

1. Product Overview: The SDF-P series general high-performance external cooling solid carbide drill is designed for a wide range of ISO workpiece material groups (P, K, M, H). Manufactured from high-quality micro-grain tungsten carbide, this drill offers superior performance across different materials. It is suitable for a broad spectrum of machining tasks, achieving efficient and high-quality drilling operations on various materials.
2. External Cooling System: Equipped with an advanced external cooling system, the drill delivers coolant directly to the cutting zone via external supply. This design provides excellent cooling efficiency, reducing cutting temperatures and minimizing thermal deformation. It significantly enhances machining accuracy and surface quality while extending tool life and supporting prolonged continuous operation.
3. Optimized Flute Design: The drill’s flute geometry is meticulously engineered to optimize chip evacuation, ensuring smooth and reliable chip removal. This design reduces issues such as chip clogging and overheating, thereby improving work efficiency and machining reliability. The optimized flute design also contributes to faster drilling speeds and superior hole quality, further enhancing machining efficiency.
4. DH High-Wear Resistant Coating: The surface is coated with a DH (Diamond Hard) high-wear resistant coating, which significantly enhances resistance to high temperatures and wear. This coating maintains stable cutting temperatures during high-speed machining, reduces friction, and decreases wear rates, dramatically increasing the tool’s service life and machining efficiency. The DH coating ensures excellent performance even after prolonged use, making it ideal for demanding machining tasks.
5. Excellent Centering Ability: The drill exhibits outstanding centering capability, with tolerances reaching IT8-9, ensuring precise hole positioning and meeting high-precision machining requirements. This high-precision centering ability helps reduce deflection and vibration, ensuring straightness and roundness in drilled holes, thus enhancing overall machining quality.
6. Comprehensive Specifications and Wide Application Range: The SDF-P series drill offers a comprehensive range of specifications, with diameters ranging from D3 to D20 mm, catering to various drilling needs. Whether for small-diameter precision drilling or large-diameter deep-hole drilling, this series provides stable and reliable solutions, meeting users’ diverse requirements.
7. Applicable Materials: The SDF-P series drill is suitable for a wide variety of materials, including but not limited to cast iron, steels, hardened steels, aluminum alloys, copper alloys, and stainless steels. Its exceptional material adaptability makes it an ideal choice for processing multiple types of workpieces.

8. Summary: The SDF-P series general high-performance external cooling solid carbide drill leverages its high-quality material, advanced external cooling system, unique flute design, and high-performance DH coating to become an ideal choice for precision mold and component machining. It excels in long-duration cutting of various materials and provides outstanding performance and reliability across diverse machining environments. Whether for batch production or complex part machining, the SDF-P series offers stable and efficient solutions, ensuring machining quality and efficiency.