Yonghang has grown to include 3 manufacturing and sales offices in China, Guangzhou
The production equipment of the pulley factory has been upgraded and relocated to Foshan, Guangdong
08B sprocket Size Chart If you need to modify the data on this size chart, we are always happy to accommodate your request. We will provide you with the factory price and also offer the matching chain for sale.
08B 4 points sprocket gear ready to ship
Type: 08B 4points Chain Sprocket
Series: 28B/ 4 points
Pitch: 6.35
Type: Standard
Main body material: Steel / S45C / SUS304 / Stainless steel
To view a video about Yonghang Sprocket & Gear capabilities, click here!
Below is our current inventory list for 08B Sprocket & Gear parts. If you still can't find the 08B sprocket you need, we can also customize it for you with a MOQ of 1 piece. Please contact me if required.

| 08B sprocket Size Chart | ||||||||||
| type | teeth | AD | OD(outer diameter) | Total thickness | bore diameter | top thread | weight | tooth thickness | pitch | roller chain diameter |
| mm | mm | mm | kg | mm | mm | mm | ||||
| 08B | 10 | 32 | 47 | 25 | Free hole drilling service | M5/M6 | 0.145 | 7.2 | 12.70 | 8.51 |
| 08B | 11 | 36 | 51 | 25 | Free hole drilling service | M5/M6 | 0.185 | 7.2 | 12.70 | 8.51 |
| 08B | 12 | 40 | 55 | 26 | Free hole drilling service | M5/M6 | 0.245 | 7.2 | 12.70 | 8.51 |
| 08B | 13 | 44 | 59 | 26 | Free hole drilling service | M6/M8 | 0.295 | 7.2 | 12.70 | 8.51 |
| 08B | 14 | 48 | 63 | 26 | Free hole drilling service | M6/M8 | 0.360 | 7.2 | 12.70 | 8.51 |
| 08B | 15 | 51 | 67 | 26 | Free hole drilling service | M6/M8 | 0.425 | 7.2 | 12.70 | 8.51 |
| 08B | 16 | 50 | 71 | 28 | Free hole drilling service | M6/M8 | 0.455 | 7.2 | 12.70 | 8.51 |
| 08B | 17 | 52 | 75 | 28 | Free hole drilling service | M6/M8 | 0.500 | 7.2 | 12.70 | 8.51 |
| 08B | 18 | 56 | 79 | 28 | Free hole drilling service | M6/M8 | 0.575 | 7.2 | 12.70 | 8.51 |
| 08B | 19 | 60 | 83 | 28 | Free hole drilling service | M6/M8 | 0.670 | 7.2 | 12.70 | 8.51 |
| 08B | 20 | 64 | 87 | 28 | Free hole drilling service | M6/M8 | 0.755 | 7.2 | 12.70 | 8.51 |
| 08B | 21 | 68 | 91 | 28 | Free hole drilling service | M6/M8 | 0.845 | 7.2 | 12.70 | 8.51 |
| 08B | 22 | 70 | 95 | 28 | Free hole drilling service | M6/M8 | 0.905 | 7.2 | 12.70 | 8.51 |
| 08B | 23 | 70 | 99 | 28 | Free hole drilling service | M6/M8 | 0.945 | 7.2 | 12.70 | 8.51 |
| 08B | 24 | 70 | 103 | 28 | Free hole drilling service | M6/M8 | 0.965 | 7.2 | 12.70 | 8.51 |
| 08B | 25 | 70 | 107 | 28 | Free hole drilling service | M6/M8 | 0.995 | 7.2 | 12.70 | 8.51 |
| 08B | 26 | 70 | 111 | 30 | Free hole drilling service | M6/M8 | 1.095 | 7.2 | 12.70 | 8.51 |
| 08B | 27 | 70 | 115 | 30 | Free hole drilling service | M6/M8 | 1.140 | 7.2 | 12.70 | 8.51 |
| 08B | 28 | 70 | 119 | 30 | Free hole drilling service | M6/M8 | 1.185 | 7.2 | 12.70 | 8.51 |
| 08B | 29 | 80 | 123 | 30 | Free hole drilling service | M6/M8 | 1.395 | 7.2 | 12.70 | 8.51 |
| 08B | 30 | 80 | 127 | 30 | Free hole drilling service | M6/M8 | 1.460 | 7.2 | 12.70 | 8.51 |
| 08B | 31 | 85 | 131 | 30 | Free hole drilling service | M6/M8 | 1.610 | 7.2 | 12.70 | 8.51 |
| 08B | 32 | 85 | 135 | 30 | Free hole drilling service | M6/M8 | 1.660 | 7.2 | 12.70 | 8.51 |
| 08B | 33 | 85 | 139 | 30 | Free hole drilling service | M6/M8 | 1.690 | 7.2 | 12.70 | 8.51 |
| 08B | 34 | 85 | 143 | 30 | Free hole drilling service | M6/M8 | 1.730 | 7.2 | 12.70 | 8.51 |
| 08B | 35 | 85 | 147 | 30 | Free hole drilling service | M6/M8 | 1.790 | 7.2 | 12.70 | 8.51 |
| 08B | 36 | 85 | 151 | 35 | Free hole drilling service | M6/M8 | 2.055 | 7.2 | 12.70 | 8.51 |
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