The cylindrical grinding methods are taken for expanding the inner hole of workpieces to the accurate size and the required surface roughness. The wheels are of even structure and do not burn the workpieces.
| D | T | H |
| 6 | 8 | 10 | 13 | 16 | 20 | 25 | 32 | 40 | 50 | 63 | 75 | 100 | 120 |
| 3 | | x | x | x | | | | | | | | | | | |
| 4 | x | | | | | | | | | | | | | | 1.5 |
| 5 | | x | | | | | | | | | | | | | 2 |
| 6 | x | | | | | | | | | | | | | |
| 8 | | x | | | | | | | | | | | | | 3 |
| 10 | x | | x | x | | x | | | | | | | | |
| 13 | x | | | x | x | x | | x | | | | | | | 4 |
| 16 | | | x | | x | | | | | | | | | |
| x | | | x | | x | x | | | | | | | | 6 |
| 20 | x | x | x | | | x | x | x | | | | | | |
| 25 | x | | | x | x | | x | | | | | | | |
| | | | | | | x | x | | x | | | | | 10 |
| 30 | x | | x | | | | x | x | x | | x | | | |
| 35 | x | x | x | | | | x | x | x | | x | | | |
| 40 | x | | | | x | | | x | | | | | | |
| x | x | x | | | | | | | | | | | | 13 |
| | x | x | | | | x | x | x | x | x | | | | 16 |
| 45 | | | | | | | | x | | | | | | |
| 50 | x | | | | | | | | | | | | | | 13 |
| x | x | x | | x | x | x | x | x | x | | | | | 16 |
| 60 | | | | | | | | x | | x | | | | |
| | x | x | x | | x | | x | | x | x | | | | 20 |
| 70 | x | x | x | x | x | | x | x | | x | | | | |
| 80 | | x | | x | x | x | | x | | x | x | | | |
| 90 | | | x | x | x | x | x | x | | x | x | | | |
| 100 | | | | | | | | | | | x | x | x | x |
| 125 | | | | | | | | | | | x | x | x | x | 32 |
| 150 | | | | | | | | | | | x | x | x | x |
As a specialized manufacturer and exporter for grinding wheel and cutting discs, we are proud to say that long time successfully hard work make our products more competitive in the world market with quality consistent, delivery quick and order quantity no limit.
Our wheels have been exporting to Japan, south Korea, USA, Canada, Spain, Thailand, Iran and many other countries for more than 10 years. And we have gained the certificate of ISO9001: 2000 and Germany mpa certificate.
Besides wheels, we also produce brown fused alumina, white fused alumina and can also provide any other abrasives and refractory materials, etc.
Jinan sande grinding materials Co., Ltd. is a group company with four divisions as follows: Guizhou qianlu fused alumina smeltering factory, jinan sande grinding materials Co., Ltd. Zhangqiu hongda abrasives Co., Ltd. And zibo biz-harmony int'l Co., Ltd.
