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 customized 17 1-2 inch oil quality steel and matrix body high speed drilling PDC bits for soft medium formation drilling 66mm AW BW thread well grouting drilling flat face PDC diamond drill bits API 8 3-4 IADC537 china factory roller bits deep underground water drilling bits 4 1-2 inch 114mm 5 wing HDD oilfields petroleum gas deep well rotary drilling diamond PDC bits water well drill bits 4 wings chevron drag bits for gas well drilling 152mm 6 wings sondaj matkap deep water well and HDD project hard rock drilling diamond drilling bits chuanshi soft formation drilling mill tooth roller rock bits for water holes 5 1-2in step and chevron drag blade bits