Construction Equipments
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- Mach Drilling
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- DTH Hammer
DTH Hammer Method
DTH Hammer exerts the considerable power and implements the express drilling in hardened rock. By rotating the hammer in a low speed, prevent tremble of drill load and achieve a high degree of drilling.
In case of DTH air hammer with a low bit load, a vertical drilling is achieved by an effect of pivotal principle. DTH air hammer does not need the a long and heavy drilling equipments that cause a low performance, thus, a deep pre-drilling should not be necessary.