Features: *4 flute countersink HSS-AL end mill cutter M3-M8, usually used to be assembled on milling machine *Has 5pcs different milling cutters: M3, M4, M5, M6, M8 *Suitable for carved, high-speed machines *Can milling of copper, aluminum, tool steel, cast iron, etc. *High toughness, abrasion resistance, high-speed cutting for the high hardness *Can processing directly or fine processing to the heat treatment mold *Reduces the number of tool changes, improves machine actuator movement rhythm and saves mold making time *Suitable for: Machining of low carbon steel and non-ferrous materials Specifications: *Material: HSS-AL *Color: As Pictures Show *Type: M3, M4, M5, M6, M8 *Quantity: 5pcs *Milling Cutter Dimension: Milling Cutter Type Blade Length Cutter Diameter Shank Diameter Full Length M3 5.9mm 3.2mm 6mm 45mm M4 7.4mm 4.2mm 6mm 48mm M5 9.5mm 5.2mm 6mm 51mm M6 11.0mm 6.2mm 8mm 58mm M8 14.0mm 8.2mm 12mm 67mm *Weight: 120g (Approx.) Package Contents: 5pcs Milling Cutters Note: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.