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The Hyundai DURAWING 110 is a Concentric Overburden System designed for casing of 145 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 110 is the self actuating wing bit system that works perfectly everytime.


Drilled Hole Diameter: 145mm

Casing Size O/D: 140mm

I/D: 119.7mm 


Major Body Diameter: 118.7mm


System Open: 140mm

Casing Size: 119.7 / 140mm

Total Weight (approx): 

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

Casing Drill Bit - Durawing SUS110

SKU: Durawing SUS110 Bit
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