Diamond grinding bar Purposes: processing of grinding carbide, various molds, stone, glass, jade, precious stones, and so on Diamond grinding barThe product has characterist of ... heat, long life, low comprehensive cost. Purposes: processing of grinding carbide, various molds, stone, glass, jade, precious stones, teeth, bones ... .5 D2 D2.5 D3 DZ30B RZ30S RZ33 LA210 Diamond grinding bar