Chain Coupling Sprocket – 50 Chain, 18 Teeth, 1.2500 in Bore, Finished w/ Keyway & SS, Material: Steel | 5018

5018 1 1/4 COUPLING HALF – FIN BORE All Martin Chain Couplings have hardened teeth. Select the smallest coupling that will accommodate both shafts. For a reversing operation, shock or pulsating loads, or other severe operating conditions, select the next larger coupling size. Precise machining and processes ensure consistent finish and high quality.