sprocket wheel 1) Roller Chain Gears and sprocket 2) Standard, customized gear; 3) Made from steel alloy; 4) Heat treated Roller Chain Gears and sprocket 1.Namechain sprocket,standard sprocket , idler sprocket , stainless steel sprocket2.MaterialStainless steel, aluminum alloy; Brass alloy; Tinplate, copper;3.Machining processesForging ,Maching,Hobbing, Broaching, Driling,Milling,Grounding4. ...