Black  worm gear for telescope drive  Cost  China  in Bremen Germany  Oxide CNC Spare Part Pulley with Factory Supplier with top quality

We – EPG Group the biggest worm gearbox, couplings and gears factory in China with 5 different branches. For more details: Mobile/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778083988828

Product Details

Product Name Black Oxide CNC Spare Part Pulley With Factory Supplier
Available Material 1.Stainless Steel: SS201, SS303, SS304, SS316, SS416, SS420,etc.
  2.Steel: C45, 40Cr, 42CrMo, 20CrNiMo, 20CrMnTi, etc. (AISI 1045, 5140, 4140/4142, 8620 etc.)
  3. Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200CuZn37), C28000(CuZn40),etc.
  4.Bronze: C51000, C52100, C54400, etc.
  5. Iron: 1213, 12L14,1215,etc.
  6. Aluminum: Al6061, Al6063,Al2571,Al7075 etc.
  7. Carbon steel:AISI1006,AISI1571,AISI1571,etc.
  8.Nylon PA66,MC901,POM plastic ects 
Hardness  HRC50~55
Module & Dimension M1~M8, Dimension based on the tooth quantity (Customized Accepted)
Gear Accuracy GB-6~8 for steel gears, based on the drawings, we’ll advise if tooth precision hobbing or Ground
Surface Treatment black oxide,Zn-plated,ni-plated,tin-plated,chrome plated,passivated,sandblast and anodize,chromate,polish,electro painting,black anodize,plain,H.D.G,etc.
Certificate ISO9001:2015/SGS/ROSH ects 
Heat Treatment Tempering,Hardening,Spheroidizing,Stress Relieving.
Application Textile machine ,Packaging machine,Agriculture equipment ,food machine ,auto and various industrial fields 

We supply  a wide variety of OEMs with high-quality machined  sprocket and pulleys at affordable prices.

Available in aluminum or steel, our metric sprocket  Stock is offered in a wide variety of number of grooves and groove profiles.

What’s the advantage of our sprockets ?

1.Strict quality control sprocket  raw materials, never shoddy

2.Mature heat treatment technology and use of vacuum furnace 

3.On-time delivery for sprocket mass 

4.Inch and Metric Plastic or Metal Timing Belt Pulley
Cobest manufactures a wide variety of metal and plastic inch and metric sized pulleys. Molded pulleys are offererd with and without inserts.
For each profile offered there is a wide selection of available grooves, widths, single-flange, double-flange and no-flange. Other bore sizes,
keyways or modifications are available on special order. 
Factory View :

About US 

Cobest Machinery is specialist of OEM power transmission system parts , such as gear, timing belt pulley ,V belt pulley,sprocket,shaft,beltpulley and other 
industrial components .We follow standard of ISO9001 ,SGS,ROHS and we also support do documentationof PPAP level 3  for you .
Our industrial components are widely used in Auto,building ,agriculture,home appliances,solar,furniture,mold,valve, and various other industries.
We have the capacity to machine precision turned parts quickly, accurately and competitively.


1.Q: Which kind information need for quotation?
   A:1) Sprocket  drawing with size or 2D/3D design
       2) Product material of this sprocket 
       3) The quantity of this sprocket 
       4) Sprocket surface treatment and hardness ects 

2.Q:I have no 3D drawing, how should I start the new project?
   A:You can supply us a sample or tell me your idea,we will help to finish the 3D drawing design.

3.Q:How about the samples?
   A:Sample is available ,first we will do a mold ,usually ,it takes one month ,.After mold finished, We will make some samples for you to check
as soon as we finish the  mold and then deliver the samples for you to check.

4.Q:How about the mould modify?
   A:You can tell us your comment about the samples after you receive them.If there is any dimension different from the drawing,we will modify
the mold for free in our side and then make the new samples.

Please feel free to contact us today!


The use of original equipment manufacturer’s (OEM) part numbers or trademarks , e.g. CASE® and John Deere® are for reference purposes only and for indicating product use and compatibility. Our company and the listed replacement parts contained herein are not sponsored, approved, or manufactured by the OEM.


Black  worm gear for telescope drive  Cost  China  in Bremen Germany  Oxide CNC Spare Part Pulley with Factory Supplier with top quality

Black  worm gear for telescope drive  Cost  China  in Bremen Germany  Oxide CNC Spare Part Pulley with Factory Supplier with top quality