BQLZR T8 Horizontal Dual Rail Linear 400mm Optical Axis & 450mm 8mm Screws Coupler Set

Features: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information; 2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed. 3.Suitable for stepper motors, machine tool guide rails and other equipment. 4.Good wear resistance and strength, high precision. 5.Good performance, low friction coefficient and long service life. Specifications: Material: Bearing steel & Aluminum & Stainless steel Color: Silver & Black Brand name: BQLZR Size: Lead screw: 450x8mm/17.72x0.31inch (LxW) Screw lead: 8mm/0.31inch Screw nut seat length: 34x30x28mm/1.34x1.18x1.1inch (LxWxH) Screw nut diameter: 10mm/0.39inch Straight optical axis: 8x400mm/0.31x15.75inch Aperture of optical axis support frame: 8mm/0.31inch Inner hole of bearing housing: 8mm/0.31inch Inner diameter of linear bearing: 8mm/0.31inch Coupler: 20x25mm/0.79x0.98inch (DxH) Coupler aperture: 5x8mm/0.2x0.31inch Weight: 936g Package include: 1 x Shaft Coupler 1 x T8 Screw Seat Nut 1 x Lead Screw 4 x Bearing 4 x Ball Bearing 2 x Linear Rail Shaft Optical Axi 2 x Mounted Support (8mm Inner Dia)