Discussion
Solid milling cutters are manufactured from
Answer: C
Solid milling cutters are made from HSS.
High speed steel is tough enough to be made into a one-piece cutter with many fine teeth, and it can be ground and resharpened easily. That is why plain, side-and-face, slitting, form and end mills are commonly solid HSS.
Carbide and ceramic are too brittle and costly to make whole cutters of most sizes; they are used as brazed tips or indexable inserts in the cutter body (small solid carbide end mills are the exception). Stellite is a cast cobalt alloy used for tool tips and hard-facing, not for solid cutters.
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