450 to 600mm big hole drilling machine parts down the hole DTH hammers NUMA 180 Size :18 inch Model:SNM180 Brand: Siruite Shank :NUMA180 Foot valve: Without Certificate: API 7-1 Pin Connection:7 5/8" API reg(or as required) Hole Range:450-600mm N/W,G/W : 1551kg/ 1601kg Dimenstion:2393*430*430mm Application : ore /coal mining,deep water drilling,energy drilling Send Inquiry Live Chat(WA) Product Detail Tags: drilling machine partshole drilling tool Share: PREVIOUS:mining machinery equipment parts Numa 100 10 inch down the bore hole drilling DTH hammer NEXT:550 to 750mm high air pressure DTH hammer 24 inch big hole well quarry geothermal mining Related Products 66mm matrix body flat face PDC non-coring bits Hybrid PDC drill bits tungsten carbide roller DIAMOND PDC BITS API 171mm 6 3-4in IADC532 open bearing rotary drilling hole blasting coal mining TCI tricone bits PQ natural diamond impregnated core bits surface set drill bits for environmental exploration borehole geological drilling PQ HQ exploration coring drill bit impregnated core bit soft formation drilling steel tooth milled teeth MT tricone rock roller cone bits 4 3-4in drag drilling bits for mud soil soft rock drilling high air pressure DHD360 6inch DTH hammer for deep water well drilling and mining