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 11 5-8 IADC127 soft formation oil and gas borehole drilling three cone bits tri-cone bits 10 5-8 inch oil and water borehole rotary drilling PDC bits for hard rock drilling 311mm kingdream HA437 big teeth wide teeth tricone button bits for soft formation drilling 4 1-4 inch 108mm drilling rig water well bits impact well drilling tci bits 5 7-8 tungsten carbide well drilling stepped drag-blade drill bit 190mm underground water well drilling tungsten carbide insert roller cone drill bit 6 inch 152mm HJ series kingdream tricone bit for HDD project and oilfields borehole drilling 149mm deep water borehole well center drill tri-cone oil bits