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 6 inch 152mm HJ series kingdream tricone bit for HDD project and oilfields borehole drilling 9 1-2 IADC517 FL API hard rock rotary drilling tricone reamer bits petrol sondaj matkap water oilfields gas well drilling DTH hammer with button bits SD10 size 10 inch API gas well drilling PDC bit 165mm with 6 blades for rock drilling equipment 165mm drilling fluids tricone reamers rotary cone drill bit 8 1-2 water borehole drilling 3 wings diamond PDC drag bits for soft formation drilling factory supply QL40 4 inch DTH hammer mining water well drilling equipments API 165mm Horizontal directional HDD and oil drilling fixed PDC diamond bit