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 149mm tungsten carbide tooth insert roller rock bits air pressure 4 inch DHD340 drilling DTH hammer bits mining machinery parts for drilling rig customized 17 1-2 inch oil quality steel and matrix body high speed drilling PDC bits for soft medium formation drilling API 8 3-4 tungsten carbide insert tooth tricone button bits 16 inch 406mm Smith PDC bits kingdream diamond bits high quality drill bits for well drilling 146mm 5 3-4 inch carbide button teeth roller cone bits for hard rock drilling 76mm water well drilling and mineral mining BW thread matrix PDC bits PQ natural diamond impregnated core bits surface set drill bits for environmental exploration