Solid Carbide Square Endmill — 6×15×6×50×4F (MTS, HRC55, TiSiN Coated)

Reliable 4-flute flat endmill from MTSLONG, designed for general-purpose milling in steel, stainless, and cast iron. TiSiN coating enhances wear resistance and heat stability, while the 35° helix angle balances cutting load and chip evacuation.

Specifications:

• Cutting diameter: 6mm
• Flute length: 15mm
• Overall length: 50mm
• Flutes: 4
• Shank: 6mm straight
• Material: Micrograin tungsten carbide
• Coating: TiSiN (Titanium Silicon Nitride)
• Hardness: HRC55
• Helix angle: ~35°
• Geometry: Square end / flat tip

Applications:

• Slotting, facing, and profiling in carbon steel, alloy steel, stainless, and cast iron
• Suitable for CNC mills and manual machining setups
• Best used with coolant or mist for chip control