5 inch QL50 DTH hammer for water borehole drilling and coal mining Size :5 inch Model:SQL5 Brand: Siruite Shank :QL50 Foot valve: With Certificate: API 7-1 Pin Connection: 2 3/8" or 3 1/2" API reg Type:valveless air distributor Hole Range:135-152mm N/W,G/W : 73kg/ 78kg Dimenstion:1180*135*135mm Application : ore /coal mining,deep water drilling,energy drilling Send Inquiry Live Chat(WA) Product Detail Tags: borehole drilling bitDTH hammer bit Share: PREVIOUS:High air pressure DHD380 without foot valve premium quality DTH hammers NEXT:high quality high pressure 8 inch QL80 DTH hammer of mining machines Related Products 4 3-4in drag drilling bits for mud soil soft rock drilling API 311mm IADC437 long teeth very soft formation drilling TZ tricone rock bit API ISO149mm 114mm 98mm 3 wings OIL WELL DRILLING diamond PDC drill rock bits 12 1-4 inch water boring well drilling kingdream metal sealed bearing TCI tricone bit API gas well drilling PDC bit 165mm with 6 blades for rock drilling equipment PQ natural diamond impregnated core bits surface set drill bits for environmental exploration NQ HQ hole opener wireline diamond reaming shell for geological drilling 7 1-2 inch 190mm 6 blades fixed cutters diamond drill bit center drilling PDC bit