... diameter: 36mm----205mm. no-cut inside, 8-class accuracy. alloy: 6201,6005,6061,6063 heat dissipation. 1.We can make ... :aluminum alloy4.Finish: mill finish , anodizing, electrophoretic, PVDF, and powder coating5.Specification : as per customers' requirement6.Inward no cutting7 ... energy emission8.ID: 36----205mm aluminium round motor shell, made of aluminium alloy, powder coated, T5, no-cut inside