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 API ISO149mm 114mm 98mm 3 wings OIL WELL DRILLING diamond PDC drill rock bits 149mm 6 wings steel body oil and underground water directional drilling PDC center drill bits Metal sealed bearing high speed motor drilling kingdream tricone hard rock bits for oilfield drilling 5 1-2in step and chevron drag blade bits AQ BQ HQ NQ PQ Diamond Impregnated core bits for granite quartz hard rock coring premium quality HDD 6 1-8 horizontal directiona well drilling PDC bits geotech 66mm diamond PDC non core bits for abrasive rock formation 8 1-2 water borehole drilling 3 wings diamond PDC drag bits for soft formation drilling