aluminium roller tube

product name: aluminium OA roller tube material: aluminium alloy material type: 6061/6063 /5052 or other type 1.basic description: it is widely applied in laser printer, copier. Such as transfer roller, printer delivery roller, heating element, fuser roller, pickup roller etc 2.adventage: high precision, stable quality and reasonable price for Janpenese related manufacturers, 3.Normal specification: &Phi12.3 X &Phi10.4, &Phi14.3 X &Phi12.4 , &Phi16.3 X &Phi14.4, &Phi24.3 X &Phi22.5, &Phi30.3 X &Phi28.5, etc., and some tri-tubes (two circles together). 4. roundness: +-0.05 5. concentricity; +-0.05 6. runout: +-0.05 Which is our highly precise product, with big quantity and good quality exported to Japan and Korea, for copier and printer roller etc..