... ally,hard metal. 3Tolerances:+/-0.5% of dimensions. Electric power tool made by process of metal injection molding. 2.Material ... 5% in general.8. According to your drawing.9. Application: power tool components, other functional parts, etc. Metal injection molding ( ... steels, low expansion alloys (kovar and invar), tool steels, soft magnetic alloys, super alloys, to conductive materials (copper). MIM is ...