D3×50-4F HRC55 Carbide Endmill with AlTiN Coating

The D3×50-4F HRC55 carbide endmill with AlTiN coating is a precision tool designed for fine CNC machining tasks. With a 3 mm cutting diameter, 50 mm overall length, and a 4 mm shank, it offers both accuracy and stability during operation. The 4-flute geometry ensures smooth cutting action, efficient chip evacuation, and excellent surface finishes, making it ideal for delicate milling applications.

This endmill is manufactured from ultra-fine grain solid carbide and hardened to HRC55. As a result, it combines toughness, wear resistance, and long service life. The AlTiN (Aluminum Titanium Nitride) coating enhances tool performance by reducing friction, improving thermal resistance, and protecting the cutting edge from premature wear. Moreover, it allows efficient machining under high-speed and dry conditions.

The D3×50-4F HRC55 endmill is widely used in mold making, electronics, aerospace, and precision engineering. Its compact geometry and reinforced 4 mm shank help reduce vibration and maintain consistent cutting accuracy, even in challenging materials like hardened steels, stainless steels, and alloys.

Code Breakdown:

• D3 – Cutting diameter 3 mm

• 50 – Overall length 50 mm

• 4F – Four flutes for stable and smooth cutting

• HRC55 – Suitable for steels up to 55 HRC

• Shank 4 mm – Optimized for rigidity in small diameters

Key Features:

• Solid carbide endmill with AlTiN coating

• 3 mm cutting diameter, 50 mm length, 4 mm shank

• 4-flute design for precision and smooth finishing

• Hardened to HRC55 for steels, stainless steels, and alloys

• AlTiN coating for heat and wear resistance

• Ideal for precision machining, profiling, and slotting