Product Name: 5103 Crescent Retaining Ring for Retaining Inner Pin Model NO.: 5103 Application: for Retaining Inner Pin, in Sprocket Chains Customized: Customized Standard: Inch Series 5103 Certification: ISO, RoHS, CE Surface Finishing: Phosphate Black Usage: Furniture, Automobile, Industrial, Crescent Ring for Sprocket Chains Material: 65mn, C67s, ANSI420, 50CRV4 Trademark: EW Transport Package: Carton/ Pallets Specification: 3mm - 55mm Origin: China Product Description Product name: crescent ring 5103Character:Standard: 5103Material for retaining rings: Carbon spring steel, Phosphated Black with oil; ANSI420 stainless steel.size : 3mm - 55mmWe aslo could produce special crescent retainin ring accoring to your drawings or samples.Our company Shanghai Eastern Waves Co., Ltd, Established in 2000.is specialized in supplying a wide range of fasteners, such as retaining rings, Circlips, snap rings, wire rings, flat washers, spring washers, Disc washers, hex nuts, flange nuts, eyebolts, eye nuts, screws, parallel keys and coiled spring pins and split pins in China. We supply not only standard fasteners but also special fasteners according to customers' drawing or samples.