Hangzhou Donghua Power Transmission Imp. & Exp. Co., Ltd.  

Product Name: ISO Standard Single Kb-Type Chain Wheel (Welding hub) Model NO.: B type-one hub Type: Circular Gear Material: Carbon Steel Toothed Portion Shape: Spur Gear Manufacturing Method: Rolling Gear Hardness: Hardened Tooth Surface Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car Standard Or Nonstandard: Standard Surface Treatment: Zinc Plated; Painted; Chrome; Hub: Plate Wheel 1-Side Hub;2-Side Hub Line: One Line, Double, Triplex ......Six-Line Chain No: 25b-360b 25A-360A Structure (for Chain): Roller Chain Trademark: DonGHUA Transport Package: export package Specification: 25---360 Origin: China HS Code: 84839000 Product Description DonGHUA Chain Group is the most professional manufacturer of power transmission in China, manufacturing roller chains, industry sprockets, motorcycle sprockets, casting sprockets, different type of couplings, pulleys, taper bushes, locking devices, gears, shafts, CNC precision parts and so on. We have passed ISO9001, ISO14001, TS16949 such quality and enviroment certification.MARTIN Standard Sprocket (ANSI, KANA, DIN standard)B Type SprocketsC45 steelTeeth Harden, carburizing, zinc plated,chemical black finishHRC40-53Prebore or finished bore25B--360B25A--360ASimplexProductnameISO Standard Single KB-type Sprocket(Welding hub)MaterialsAvailable1.StainlessSteel:SS201,SS303,SS304,SS316,SS416,SS4202.Steel:C45(K1045),C46(K1046),C203.Brass:C36000(C26800),C37700(HPb59),C38500(HPb58),C27200(CuZn37),C28000(CuZn40)4.Bronze:C51000,C52100,C54400,etc5.Iron:1213,12L14,12156.Aluminum:Al6061,Al60637.OEMaccordingtoyourrequestSurface TreatmentAnnealing,naturalanodization,heattreatment, polishing,nickelplating,chromeplating,znic plating,yellowpassivation,goldpassivation, satin,Black surface painted etc.ProductsAvailablesprockt chains, pulley, shafts(axles,splineshafts,dartshafts),gears(pinions,wheelsgear rack)bearing,bearingseat, bushing,coupling,lock assembly etc.ProcessingMethodCNCmachining,punch,turning,milling,drilling,grinding,broaching,weldingandassemblyQC:Techniciansself-checkinproduction,final-check before package by professional Quality inspectorSizeDrawingsPackageWooden Case/Container and pallet, or aspercustomizedspecificationsCertificateISO9001:2008 , ISO14001:2001,ISO/TS 16949:2009AdvantageQuality first Service superior , Advanced equipment,Experienced workers,Perfect testing equipmentLeadTime15-25dayssamples.30-45daysoffcialorder