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 165mm drilling fluids tricone reamers rotary cone drill bit 12 1-4 inch water boring well drilling kingdream metal sealed bearing TCI tricone bit API Horizontal Directional Drilling and Deep Groundwater Well PDC Drill Bits with 5 ways 7 1-2 inch 190mm 6 blades fixed cutters diamond drill bit center drilling PDC bit High Speed 31-2inch IR35 DHD3 1-2 vaveless DTH hammer DTH bits for mining deep well drilling 6 blades 114mm drilling fluids professional deep oil well drill diamond drilling bit PDC bit hard rock coring HQ NQ diamond impregnated core drill bits chuanshi soft formation drilling mill tooth roller rock bits for water holes