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Sprocket for Komatsu, Hitachi, Kato, Catepillar, Sumitomo, Kobelco etc.Guarantee2050 working hours.Certificate:ISO9001,Japan KCX Sprocket for Komatsu, Hitachi, Kato, Catepillar, Sumitomo, Kobelco and others Material:45MnSCSiMn2H,SCMn3B,50Mn surface quenching:HRC 47-52 hardening depth:top 11-13mm,bottom 4-6mm Product Sprocket ,sprocket wheel ,sprocket segment Model KOMATSUPC60-7,PC130,PC200,PC300,PC360,PC400,D30/31,D50, D60/65, D60A-8, D80, D85, D155HitachiEX60,EX100-1,EX100-2/3/5,EX150,EX200-1, EX200-2/3,EX300-2/5,EX400-1,EX400-3/5, ZX60,ZX70,ZX200-3,EX200-5,ZX240-3,ZX330-3,etc.KatOHD250, HD400-2,HD770,HD1250,HD820,HD1430 etc.CaterpillarE110B,E120B,E180,E200B,E300,E300B,CAT60,CAT60A.CAT320,CAT325,CAT330,CAT215,CAT235, D8K,D9N, etc.SumitomoSH120,SH280, SH300, etcKobelcoSK07,SK60,SK100,SK120,SK200, SK220, SK230,SK250,SK300, SK320, SK350, SK450,SK460,SK5560,etcVolvoEC210,EC240,EC290,SC60,SC80,SC130,SC220,SC310,SC320,SanySY60,SY70,SY220-6,SY230C,SY230F,SY310RC2.2-6,SY310R.2-6,SY300.2-6,SY300A.2-6,SY420R.2-6,SY420R.2-6A,SY420R.2-6B,SY420C.45A-3,SY420C.2A-3,SY460C.45A-3,SY460C.2B-3,SY465,SY650,SY700,SY850,SY420C.2D-3DDAEWOODH55,DH220,DH290HYUNDAIR290,R305,R210. Materials SCSiMn2H,SCMn3B,50Mn Hardness HRC45-52 Depth of hardness 4.5MM-5.5MM Remarks The table is for your information only. More details