Description:3mm to 5mm shaft usage diameter, 25mm length, 20mm 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); Main Color: Silver toneSize: 25x20mm/ 0.98x0.79inch( L*D)Material: Aluminum alloyMain Color: Silver toneWeight: 20g Package Content:1 x Shaft coupling
