Description
Esta broca sirve para roca media, se recomiendan las brocas medias si se desconoce el tipo de roca a encontrar; norito, gabbro, diabase, dolerita, mica esquistia.
This drill bit is suitable for medium rock, and medium bits are recommended when the type of rock is unknown. Its range includes norite, gabbro, diabase, dolerite, mica schist.