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 12 1-4 IADC635 coal and mineral hole blasting tungsten carbide conical tooth tricone button bits 3 7-8 IADC 637 inch borehole opening geotechnical exploration well water drilling tricone bits 13 5-8 gas petroleum water wellbore drilling PDC drill rock bit 195 to 254mm hole drilling DTH hammer down the hole tools for drilling rigs HQ diamond impregnated core bit for mineral exploration drilling 349mm IADC437 Colse Bearing Water Well Drilling Roller Cone Bits Tricone Drill Bits high performance natural diamond HQ reaming shell,IMP reamer shells 152.4mm high speed drilling rock tricone button bits for underground water