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Bulroc Dth Drilling
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world leader in dth drilling
 
 
Hyper 301S Hyper Hammer
Hyper 301S Hyper Hammer

The Bulroc Hyper301S is the largest in our range of DTH hammers and capable of drilling from 863mm (34”) through to 1090mm (43”) using flat face button bits with XL24 type shanks. The single full face button bit uses less air and provides for more efficient energy transfer compared to cluster hammer arrangements leading to faster and more accurate drilling. The single large diameter hammer is connected to conventional style hexagon drive drill pipes sleeved to the required diameter to provide for efficient flushing throughout the length of the hole. Bulroc can also offer a ring bit system to suit this hammer when ground conditions require the hole to be continuously cased.
 
 
 
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