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 China TZ brand Lilin oil well drilling water well boring carbide tooth tricone bits HQ diamond impregnated core bit for mineral exploration drilling Hybrid PDC drill bits tungsten carbide roller DIAMOND PDC BITS Premium Quality IMP diamond impregnated core bits casing shoes HA117 King dream 11 5-8 inch 295mm Steel Teeth oil borehole rotary drill tricone bits 16 inch water and oil well fast drilling PDC bit of drilling rig W matrix HQ HQ2 HQ3 drilling equipment impregnated drill core bits 14 3-4 milled tooth drilling tricone bits borehole blasting tools