Reverse circulation bit

The longer life of the drill: The alloy material, with longer using life which better than the similar product.
High Drilling Efficiency: The drill buttons is wear-resistant, so that the drill can always keep sharp, thus greatly improving the speed of the drilling.
The drilling speed is stable: The bit is scraped and cut to break the rock.
Good Performance: The bit has strong wear resistance, good Diameter protection and can make the cutting teeth be used efficiently.
The use of a wide range: The practice proves that the bit is suitable for carbonate rock, limestone,chalk,clay rock,siltite,sandstone and other soft and hard (9-grade drill ability of rock,hard rock drilling), compared with normal bit,especially drilling in 6-8 grade rock the effect is particularly significant.