Product Name: Door Shaft for Lifting Door Model NO.: ES-1011 Journal Surface Roughness: 0.63-0.16?m Appearance Shape: Round Shaft Shape: Hollow Axis Axis Shape: Straight Shaft Journal Diameter Dimensional Accuracy: IT6-IT9 Stiffness & Flexibility: Stiffness / Rigid Axle Load: Door Shaft Material: Galvanized Steel Length: Customized Price: Negotiable After-Sale Service: Provided Trademark: Everbright or OEM Transport Package: The Products Are Packed in Carton by Sea Specification: Customized Origin: China HS Code: 8483109000 Product Description DiameterLengthWeightMaterialAccording to the shaftCustomized3.3kg/pieceGalvanized steel Zhengzhou Everbright Construction Material Co., Ltd. is specialized in Door & Windows industry, producing producing garage door , industrial door and hardwares like shaft, spring, track, hinges, rollers, etc. Our products have been exported to Europe, Asia, America, Africa and Australia. We have good reputation among our customers. For shaft, we have different models with different length like hollow shaft, solid shaft and shaft with keyway. Also, we can customized according to customers' needs. We use high quality galvanized steel to prevent rusting, it is more durable. Usually, we produce shaft of 2mm and 3mm thickness, and 2 meter to 7 meter long (If you have other requests, we can customized to your needs).Our main productsGrage door panel production lineProcess flow of garage door panel's productionThere are 8 steps to make the garage door panel by the automatic continuous production line. They are uncoiling - film laminating - roll forming - PU foaming and solidifying - fly cutting - cooling - stacking and wrap packing. After these 8 steps every piece of panel will be checked by the QC staff, then high quality panels could be loaded and sent out.