WMC Sinterstar AG is a Swiss competence centre and manufacturer of cemented carbides and sintered hard metal components based in Lotzwil (Canton Bern). The company specializes in the custom manufacturing of carbide blanks, preforms, and finished wear-resistant parts from metal powder compounds according to customer drawings in small, medium, and large series.
Its integrated manufacturing process spans raw powder preparation and wet milling to direct compaction pressing and Sinter-HIP processing, in which blanks are sintered under high temperatures and isostatic pressure to achieve maximum metallurgical density and defect-free material structures.