1.precision machining part of mould component 2.part:cylindrical,rectangular,with hole.. 3.precision grinder,EDM,wire cutting ... 1.We supply various precision machining part,precision grinding part for mould component as per custom's requirement.2 ... tolerance:0.01mm min surface roughness: Ra 0.0004mm4.Mould part material: high-quality alloy steel with heat treatment,wear resistance ...