Description:12mm to 12mm shaft usage diameter, 40mm length, 32mm diameter, set screw type, beam coupling.Zero backlash. One-piece metallic spring coupling. For little torque shaft connect.Absorption of parallel, angular misalignments and shaft end-play by spring action.Widely used in drive systems for encoders, instrumentation,lead screws, small pumps, feed rollers and anywhere light to medium duty, torsionally flexible coupling is required. Specification:Feature: Screw type (coiling clamping)Size: 40x32mm/ 1.57x1.26inch( L*D)Material: Aluminum alloyMain Color: Silver toneWeight: 71g Package Content:1 x Shaft coupling
