RoundTool Lab's D1 & D2 Diamond Coatings!

RoundTool Laboratories Diamond Coated End Mill Series are a perfect match on graphite molds for EDM.

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RoundTool Laboratories Diamond Coated End Mill Series are a perfect match on graphite molds for EDM. Our D1 and D2 coatings offer industry-leading wear resistance when subjected to the abrasive properties of graphite parts. RoundTool offers two versions of diamond; D1 is a PVD applied diamond while our D2 is a CVD application. Supporting both Series is a carbide end mill specially designed and manufactured with graphite milling in mind. While other companies simply coat standard off-the-shelf end mills, the GR-D1 and GR-D2 represent customized engineering featuring higher helix & heavier core, which in turn offer freer cutting and less deflection. These two Series have also achieved great success in other applications featuring highly abrasive materials.