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 8 3-4 tungsten carbide insert tooth tricone button bits 311mm chuanshi CS brand new rotary drill TCI tricone bits for sandstone and limestone drilling NQ HQ hole opener wireline diamond reaming shell for geological drilling 149mm tungsten carbide tooth insert roller rock bits IADC517 high penetration motor drilling MD kingdream gas and oil well drill tri-cone bits 445mm IADC137 high quality mill tooth tricone bits for medium formation oilfields drilling machine 4 1/8 IADC517 borehole drilling insert tooth rotary drill tricone bit Good Performance PDC impregnated IMP diamond core bits for exploration well