Blanket,Picnic Blanket,Beach Blanket,Sleepsac Ningbo Watower Outdoor CO.,LTD , https://www.esygoing.com
Hanzhou 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.
Hangzhou Donghua Chain Group Co., Ltd., one of the largest chain manufacturers in China, has five subsidiaries including Hangzhou Ziqiang Chain Drive Co., Ltd. Hangzhou Dunpai Chain Co., Ltd. And Hangzhou Donghua Power Transmission IMP. & EXP. Co., Ltd. Etc. Hangzhou Donghua Chain Group Co., Ltd. Was founded in November 1991. The company is specialized in producing all kinds of standard chains and special chains, e. G. A or B series chains, automobile chains, stainless steel chains, combine harvester chains, heavy-duty cranked link transmission chains, stereo garage chains and maintenance-free chains etc.
DIN Standard Black Surface Treatment Sprocket With Spline 12C-20
Surface treatment: Black
C45 steel
Teeth Harden
Sprocket is with Spline
Hub: Both sides hubs
We can offer special sprockets according your drawings.
Product nameÂ
DIN Standard Black Surface Treatment Sprocket With Spline 12C-20
Materials Available
1. Stainless Steel: SS201, SS303, SS304, SS316, SS416, SS420
2. Steel:C45(K1045), C46(K1046),C20 3. Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37), C28000(CuZn40) 4. Bronze: C51000, C52100, C54400, etc 5. Iron: 1213, 12L14,1215 6. Aluminum: Al6061, Al6063 7.OEM according to your request
Surface Treatment
Annealing, natural anodization, heat treatment,  polishing, nickel plating, chrome plating, znic plating,yellow passivation, gold passivation,  satin, Black surface painted etc.
Products Available
sprockt chains, pulley, shafts(axles, spline shafts, dart shafts),gears (pinions, wheels gear rack) bearing, bearing seat,  bushing, coupling, lock assembly etc.
Processing Method
CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly
QCÂ :
Technicians self-check in production,final-check before package by professional Quality inspector
Size
Drawings
Package
Wooden Case/Container and pallet, or as per customized specifications
Certificate
ISO9001:2008 , ISO14001:2001,ISO/TS 16949:2009
Advantage
Quality first Service superior , Advanced equipment,Experienced workers,Perfect testing equipment
Lead Time
15-25days samples. 30-45days offcial order