1. The bead grinding speed is fast, and it becomes round and smooth in 2 seconds;
2. Imported mold steel, all round grooves are mirror polished, which can ensure that the ground balls are rounder, brighter, more accurate in size, and the electroplating process is more beautiful and high-grade;
3. No need to load and unload the grinding disc
The size error before and after bead grinding is only ±0.1~0.2%