water drilling coal mining BR1 BR2 BR3 air pressure DTH hammers drill pipes Size :3 inch Model:SBR3A Brand: Siruite Shank :SR3 Foot valve: Without Certificate: API 7-1 Pin Connection: 2 3/8" API reg Air Pressure: Low-Middle Pressure N/W,G/W : 25kg/ 29kg Dimenstion:950*80*80mm Application : ore /coal mining,water drilling,energy drilling Send Inquiry Live Chat(WA) Product Detail Tags: BR3 hammerdrill hammercoal mining hammer Share: PREVIOUS:DTH hammer 2 inch shank BR2 standard DTH bit for drilling NEXT:ultra high quality DOWN THE HOLE hammer tools with shank COP66 Related Products high quality high pressure 8 inch QL80 DTH hammer of mining machines 5 1-2in step and chevron drag blade bits 445mm IADC137 high quality mill tooth tricone bits for medium formation oilfields drilling machine 95mm sintered matrix body non core PDC drilling bits geological HQ NQ BQ PQ turbo type diamond impregnated core bit 12 1-4 rock drilling liquids water borehole drilling equipments enviromental drilling tools 190mm underground water well drilling tungsten carbide insert roller cone drill bit geotech 66mm diamond PDC non core bits for abrasive rock formation