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12 Series DTH Drilling Bits

350mm Bit Diameter

Qty Button Dia(mm); 15*19+(24*19+15*16)   Air holes; 3   Weight(kg); 190   Bit shank; DHD112/SD10/NUMA120

400mm Bit Diameter

Qty Button Dia(mm); 30*19+(18*19+22*16)   Air holes; 3   Weight(kg); 230   Bit shank; DHD112/SD10/NUMA120

450mm Bit Diameter

Qty Button Dia(mm); 33*19+(21*19+39*16)   Air holes; 3   Weight(kg); 250   Bit shank; DHD112/SD10/NUMA120

ICP05001405šHunan New Era Technologies Co., Ltd 2008-2011
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