undercarriage
Material:ZG40MN
Hardness:HRC50-56
Hardness depth:2.5-5MM

undercarriage/Sprocket,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,PC400-6
EX30,EX60,EX100,EX100M,EX150,EX200-1,EX200-2,EX200-3/5,EX300-5,EX400,UH063,UH083,UH07-7
E70B,E120,E311,E200B,E320,E330
SH120,SH200,SH280
SK04-2,SK07N2,SK60,SK100,SK200,SK220,SK230,SK300
MS110,MS180
DH55,DH280
HD450,HD820
R200
EC210
D31-17/18