Model: Shaft Coupling Rigid Coupler Specification and color: unified silver for all series Material: T6 super hard aluminum alloy Surface treatment: anodic oxidation treatment Accuracy: H7 lock Screw: Class 12.9 Working temperature: -80℃~300℃ No clearance transmission, high precision, the screw lock is very tight and does not slip D20mm X L25mm has two screws in total, and the remaining size is four screws.
