Solid carbide end mills According to flutes, we have 2 flutes end mill, 3 fluted end mill, 4 fluted end mill,...End mills with two flutes are most commonly used for creating grooves or slots. This type of mill is also known as a plunge mill. 4-flute mills are most often used for surface milling and side milling. 3 flutes end mills are used for aluminum cutting
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