Description
Esta broca sirve para roca media, se recomiendan las brocas medias si se desconoce el tipo de roca a encontrar, es más genérica su rango abarca de las series 6- 7- 8 y 9; norito, gabbro, diabase, dolerita, mica esquistia, siststone, granito, hematita, basalto, cuarcita dura, conglomerado de cuarzo, ironstone bandeado.
This drill bit is suitable for medium rock. Medium bits are recommended when the type of rock is unknown, and its range is more generic, covering series 6-7-8 and 9; norite, gabbro, diabase, dolerite, mica schist, siltstone, granite, hematite, basalt, hard quartzite, banded ironstone.
