Helical’s End Mills for Hardened Steels Geometry

Check out the unique geometry of Helical’s End Mills for Hardened Steels.

Featuring variable pitch geometry, a massive core diameter, and premium Tplus coating, Helical’s End Mills for Hardended Steels have been meticulously tested to provide outstanding performance in hardened steels over 60 HRC with extensive testing in 62 HRC D2 tool steel.

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