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 hole drilling good quality COP84 DHD380 shank water drilling and mining DTH hammers 14 3-4 IADC537 water drill tri-cone bit borehole drilling tools high performance natural diamond HQ reaming shell,IMP reamer shells 8 1-2 4 wings vertical well drilling diamond PDC bits for soft formation 12 1-4 IADC537 Medium Hard Rock geothermal Water Well Drilling Hole Blasting Tricone Bits PQ natural diamond impregnated core bits surface set drill bits for environmental exploration 5 inch QL50 DTH hammer for water borehole drilling and coal mining 6in geological exploration tricone roller bits mining bits