Hitork Gears & Drives
MICRO GRAIN CARBIDE ENDMILLS 55HRC BALL NOSE
MICRO GRAIN CARBIDE ENDMILLS 55HRC BALL NOSE
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🧭 Overview
Micro Grain Carbide Ball Nose Endmills (55 HRC) are precision cutting tools made from tungsten carbide with micro-grain structure, designed for semi-hard materials up to 55 HRC. The ball-shaped tip enables smooth 3D contouring and fine surface finishes.
⚙️ Key Features
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Material: Micro-grain solid carbide for high wear resistance and strength.
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Hardness Capacity: Suitable for steels up to ~55 HRC (pre-hardened steels, alloy steels, tool steels).
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Design: Ball nose geometry for curved surfaces, slots, molds, and dies.
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Coating: Often TiAlN, AlTiN, or similar high-performance coatings for heat and oxidation resistance.
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Shank: Precision-ground straight shank, typically h6 tolerance.
🛠️ Applications
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3D profiling and mold & die machining
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Finishing and semi-finishing of hardened steels
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High-speed machining in CNC milling
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Suitable for aerospace, automotive, and tooling industries
📏 Advantages
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Excellent surface finish on curved surfaces
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Longer tool life due to micro-grain toughness
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Reduced chipping and wear
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Stable performance at high spindle speeds
