Size: Cutter diameter is 1.5mm//2mm/2.5mm/3mm/3.5mm/4mm/4.5mm/5mm/5.5mm/6mm, and all straight shanks are 6mm in diameter. Four flutes: Compare with fewer flutes can produce a better finish. HSS: High carbon steel material, with high hardness, bending resistance, fracture resistance, and long service life. Applicable models: CNC data processing center, carved, high-speed machines. Applicable material: Apply to wood, soft metal, steel, stainless steel, alloy steel, carbon steel, die steel, tool steel, cast iron, titanium, aluminum, plastic, PVC, hardwood etc. Package: 10Pcs 4-flute end mill bits set, there are 10 different kinds of cutter diameter to meet your need. Note: Please allow a bit error due to manual measurement. Function Millin.
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