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physique { font-size: 75%; color: #000; font-family: Open Sans,Arial,Helvetica,sans-senif,SimSun,"宋体"; line-height: 1.3; } dl { margin: 0px; width: 480px; float: left; } dt { width: 100px; height: 15px; float: left; } dd { width: 240px; height: 15px; float: left; } dl dt { margin: 0px; line-height: 22px; color: #474747; font-size: 14px; font-family: tahoma; } #product-desc { width: 100%; height: 209px; } #description { width: 100%; height: 50%; } #details { width: 100%; height: 50%; } .ui-box-title { height: 30px; font-size: 15px; font-family: tahoma; font-weight: bold; background-color: #ddd; text-anchor: inherit; padding-top: 8px; margin: 0px; } .ui-box-body { margin: 0px; } #tbspecifics { border-right: 1px solid black; border-bottom: 1px solid black; } #tbspecifics tr { height: 30px; } #tbspecifics td { width: 100px; border-left: 1px stable black; border-top: 1px solid black; } Flexibility of coupling shaft removes strain between the motor and using components.The shaft couplers are extensively utilized to small CNC machines encoding and three-D printers Z shaft coupling, simplifies the debugging difficulty.6mm to 8mm shaft usage diameter, 25mm length, 18mm diameter, set screw type, beam coupling.Zero backlash. One-piece metal spring coupling. For little torque shaft connect.Absorption of parallel, angular misalignments and shaft end-play via spring action.Widely used in force systems for encoders, instrumentation,lead screws, small pumps, feed rollers and wherever mild to medium duty, torsionally flexible coupling is required. Material: Aluminum alloyColor: SilverWeight: 14g Package Content: 1 * Shaft couplingOnly the above package content, other products usually are not included.Note: Light taking pictures and different reveals may cause the colour of the article in the photo a bit various from the genuine thing. The dimension allowed error is +/- 1-3cm.