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 4 3-4in drag drilling bits for mud soil soft rock drilling drilling a water well MISSION40 4in factory DTH tools hammers bits High air pressure DHD380 without foot valve premium quality DTH hammers 12 inch without foot valve NUMA125 air pressure DTH hammer tool for hard rock formation drilling 8 1-2 MD517 metal face high speed drilling kingdream motor rock roller drill bit of oil drilling rig equipment 215 mm IADC117 steel tooth rock MT tricone bit for water hole drilling 12 1-4 IADC437 Wide Big Tooth Rotary Rock Drilling Tricone Drill Bits for Water Drilling Good Performance PDC impregnated IMP diamond core bits for exploration well