HRC50 4 Flute Square Carbide End Mills for Steel Carbide End Mill 6mm Iscar 6mm, 50mm LOC, 6mm Shank Diam, 150mm OAL, 4 Flute, Solid Carbide Square End Mill Single Milling Machine Tool Size:6mm 150mm. 1PC 4 Flute End Mill Cutter. Flute quantity: 4 flutes. Color: as picture shows. Material: steel. Imported materials, high hardness and good toughness Features: Imported materials, high hardness and good toughness 6mm HRC45 4 blade super long handle 150MM carbide end mill milling cutter CNC Straight Long Shank Carbide End Mills/Milling Machines Specifications: Model: HRC45D6x150-4F Material: Tungsten steel Color: silver Flute quantity: 4 flutes Color: as picture shows Package Included: 1PCS 4 Flute End Mill Cutters 1 pcs set Cutting HRC50 HRC60 HRC65 4 Flute 4mm 5mm 6mm 8mm 12mm Alloy Straight Long Shank Carbide End Mills/Milling Machines