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 without footvalve down the hole DHD360 rock drill DTH hammer kingdream metal sealed 12 1-4inch oil drilling rotary rock drill steel teeth tricone bits 311mm kingdream soft formation milled tooth bits IADC127 for rotary oil water well drilling 8 1-2 MD517 metal face high speed drilling kingdream motor rock roller drill bit of oil drilling rig equipment tungsten carbide inserts and diamond compact cutters PDC cone bit hybrid drill bits 6 1-2 3 blades step drag bits for soil formation drilling 7 1-2 inch 190mm 6 blades fixed cutters diamond drill bit center drilling PDC bit HQ NQ BQ PQ impregnated core drill bits exploration core drilling bit