12' High Air Pressure DTH Bits

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DiameterButton
(NO. × Diameter,mm)
Flushing holesWeight
(kg)
Shank
mminchGaugeFrontBack
35013 3/415×199×19+15×19+15×1612×123210DHD112
SD12
NUMA120
40015 3/418×1912×19+18×19+29×1612×123245

 

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