Description
Esta Broca sirve para roca dura, grano fino, roca competente y no abrasiva. (Matriz blanda); conglomerado de cuarzo, ironstone bandeado, taconita, cuarzo vidrioso.
This drill bit is suitable for hard rock, fine-grain, competent, and non-abrasive rock (soft matrix); quartz conglomerate, banded ironstone, taconite, glassy quartz.