Butterfly Augers

We offer Butterfly Augers.
there are three categories of flat or butterfly rock auger:
a) single cut auger
b) double cut auger
c) double cut auger without rock pilot
drilling diameter range: 500~2500mm
main applications:
i) the single cut and double cut augers are suitable for drilling in weak fractured rock and very dense sand and gravel (less than 5 mpa)
ii) double cut augers are mainly used for bigger diameter uncased boreholes and secant piles
iii) double cut auger without rock pilot are recommended for fractured rock or moderately weak to moderately strong rock (5~50 mpa)