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 API ISO149mm 114mm 98mm 3 wings OIL WELL DRILLING diamond PDC drill rock bits 7 1-2 inch 190mm 6 blades fixed cutters diamond drill bit center drilling PDC bit without footvalve down the hole DHD360 rock drill DTH hammer High Speed 31-2inch IR35 DHD3 1-2 vaveless DTH hammer DTH bits for mining deep well drilling rock mining DTH hammer QL60 Shank high quality drilling parts 75mm matrix flat face PDC non core bits for grouting and drainage geological HQ NQ BQ PQ turbo type diamond impregnated core bit 146mm 5 3-4 inch carbide button teeth roller cone bits for hard rock drilling