Diamond Inserts Boring Cutter Grooving Insert Lathe Tool Process Carbide Roller. Diamond lathe tools: CBN PCD grooving inserts diamond boring tools for processing carbide Roller. PCD-(Polycrystalline Diamond) is mainly suitable for processing of aluminum, copper, acrylic, brass, plastics, stone, Wood, non-ferrous metals, etc. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Metalworking Equipment\Metalworking Lathes". The seller is "blueshopas1" and is located in this country: HK.This item can be shipped worldwide.