Solid Carbide Endmill — SS40 4×10×4×50×6F (HRC55, HT Coated)

High-performance 4-flute flat endmill engineered for stainless steel, titanium alloys, and high-temp materials. SS40-grade carbide delivers excellent red hardness and impact resistance, while the HT nano coating ensures smooth chip flow and thermal stability.

Specifications:

• Cutting diameter: 4mm
• Flute length: 10mm
• Overall length: 50mm
• Flutes: 4
• Shank: 4mm straight
• Material: SS40-grade micrograin carbide (12% cobalt, 0.4μm grain)
• Coating: HT nano composite (champagne gold)
• Helix angle: 38°–41°
• Hardness: HRC55
• Groove style: Ladder chute for enhanced chip evacuation

Applications:

• Designed for stainless steel, titanium, nickel alloys, and hardened steels
• Ideal for slotting, facing, and high-efficiency side milling
• Suitable for CNC mills and high-speed machining centers
• Best used with coolant or air blast for chip control