Sprocket Segments Material:ZG40MN Hardness:HRC50-56 Hardness depth:2.5-5MM Sprocket Segments,Sprocket segments,teeth rim applicable for:PC20,PC40,PC60-5,PC60-6,PC100-3,PC100-5,PC150,PC200-3,PC200-5,PC300-3/5,PC300-6/7,PC400-6EX30,EX60,EX100,EX100M,EX150,EX200-1,EX200-2,EX200-3/5,EX300-5,EX400,UH063,UH083,UH07-7E70B,E120,E311,E200B,E320,E330SH120,SH200,SH280SK04-2,SK07N2,SK60,SK100,SK200,SK220, ...