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 311mm 12 1-4 high quality mining machine parts tricone rock bits for drilling rigs 7 7-8 milled tooth tricone bits for soft formation drilliing geological HQ NQ BQ PQ turbo type diamond impregnated core bit Premium Quality IMP diamond impregnated core bits casing shoes 16 inch 406mm Smith PDC bits kingdream diamond bits high quality drill bits for well drilling 133mm iadc637 round tooth ultra hard rock drilling roller bits 374mm IADC537 rubber Sealed Bearing Journal broca triconica Rock Roller Bits for Medium Hard Rock Drilling 6 inch underground deep water boring well rotary rock drill tricone bit