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 certificate 12 1-2 well drilling equipment TCI rotary rock drill roller cone bits hard rock water well drilling DHD350 DTH hammer drill bit 152mm button tools 4 1-2 114mm 3 blades step drag bit for water drilling 7 7-8 IADC547 metal sealed tungsten carbide insert tooth TCI tricone roller HDD drilling bits 6 inch 152mm HJ series kingdream tricone bit for HDD project and oilfields borehole drilling 13 1-8 333mm steel body diamond PDC gas well drilling bits for drilling rigs 445mm 5-way diamond PDC drill bits for underground water drilling bits drilling parts equipments 6 inch underground deep water boring well rotary rock drill tricone bit