factory supply QL40 4 inch DTH hammer mining water well drilling equipments Size :4 inch Model:SQL4 Brand: Siruite Shank :QL40 Foot valve: With Certificate: API 7-1 Pin Connection: 2 3/8" API reg Type:valveless air distributor Hole Range:110-130mm N/W,G/W : 43kg/ 46kg Dimenstion:1150*108*108mm Application : ore /coal mining,deep water drilling,energy drilling Send Inquiry Live Chat(WA) Product Detail Tags: DTH hammermining DTH hammer Share: PREVIOUS:hole drilling good quality COP84 DHD380 shank water drilling and mining DTH hammers NEXT:rock mining DTH hammer QL60 Shank high quality drilling parts Related Products surface set PDC HQ NQ PQ front end reamer diamond reaming shell 445mm IADC137 high quality mill tooth tricone bits for medium formation oilfields drilling machine 190mm close bearing metal teeth tricone rock bits for soil rock drilling 11 5-8 IADC127 soft formation oil and gas borehole drilling three cone bits tri-cone bits 5 3-4 inch 146mm Tungsten Carbide Insert Button Tricone Drill Bits API high quality 12 1-4 in 5 blades vertical well drilling petroluem and hole boring PDC rock bits 8 3-4 petroleum drill bit directional well drilling center pilot tricone roller bit 75mm well borehole drilling diamond bit flat face PDC non-coring bit