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The Hyundai DURAWING 115 is a Concentric Overburden System designed for casing of 150 mm diameter holes through varying formations into bed rock.
The wing bits are enclosed making them the most professional & efficient system on the market today as they are not exposed to "clogging" in loose overburden material while drilling down to the bedrock.
When the drilling starts, the bit wings protude utilising a unique cam sliding mechanism. The key feature of the DURAWING 115 is the self actuating wing bit system that works perfectly everytime.


Drilled Hole Diameter: 150mm

Casing Size O/D: 145mm

I/D: 126.6mm 


Major Body Diameter: 125mm


System Open: 150mm

Casing Size: 126.6 / 145mm

Total Weight (approx): 

Hammer Type: SD4, QL40, DHD340, M40, Mach44 

Casing Drill Bit - Durawing SUS115

SKU: Durawing Bit SUS115
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