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 customized 17 1-2 inch oil quality steel and matrix body high speed drilling PDC bits for soft medium formation drilling 311mm rotary rock drilling TCI tricone bit IADC537 for underground vertical water well drilling API 8 3-4 IADC537 china factory roller bits deep underground water drilling bits NQ HQ hole opener wireline diamond reaming shell for geological drilling API 171mm 6 3-4in IADC532 open bearing rotary drilling hole blasting coal mining TCI tricone bits 12 1-4 IADC537 Medium Hard Rock geothermal Water Well Drilling Hole Blasting Tricone Bits 8 1-2 4 wings vertical well drilling diamond PDC bits for soft formation hard rock coring HQ NQ diamond impregnated core drill bits